Airworthiness Directives; Eurocopter Deutschland GmbH Helicopters, 20321-20324 [2012-8064]

Download as PDF Federal Register / Vol. 77, No. 65 / Wednesday, April 4, 2012 / Proposed Rules Regulatory Findings (c) Compliance We determined that this proposed AD would not have federalism implications under Executive Order 13132. This proposed AD would not have a substantial direct effect on the States, on the relationship between the national Government and the States, or on the distribution of power and responsibilities among the various levels of government. For the reasons discussed, I certify this proposed regulation: 1. Is not a ‘‘significant regulatory action’’ under Executive Order 12866; 2. Is not a ‘‘significant rule’’ under the DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979); 3. Will not affect intrastate aviation in Alaska to the extent that it justifies making a regulatory distinction; and 4. Will not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act. We prepared an economic evaluation of the estimated costs to comply with this proposed AD and placed it in the AD docket. You are responsible for performing each action required by this AD within the specified compliance time unless it has already been accomplished prior to that time. List of Subjects in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety. The Proposed Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA proposes to amend 14 CFR part 39 as follows: PART 39—AIRWORTHINESS DIRECTIVES 1. The authority citation for part 39 continues to read as follows: § 39.13 [Amended] 2. The FAA amends § 39.13 by adding the following new Airworthiness Directive (AD): emcdonald on DSK29S0YB1PROD with PROPOSALS Eurocopter France: Docket No. FAA–2012– 0354; Directorate Identifier 2010–SW– 104–AD. (a) Applicability This AD applies to Eurocopter France (EC) Model SA–365N, SA–365N1, SA–366G1, AS–365N2, AS 365 N3, EC 155B, and EC155B1 helicopters with a mast nut, part number (P/N) 360A31–1020–20, installed. (b) Unsafe Condition This AD describes the unsafe condition as a cracked main rotor mast nut. This condition could result in failure of the rotor mast and subsequent loss of control of the helicopter. VerDate Mar<15>2010 15:25 Apr 03, 2012 Jkt 226001 Issued in Fort Worth, Texas, on March 26, 2012. Scott A. Horn, Acting Manager, Rotorcraft Directorate, Aircraft Certification Service. (d) Required Actions [FR Doc. 2012–8056 Filed 4–3–12; 8:45 am] (1) For EC Models SA–365N, SA–365N1, AS–365N2, and AS 365 N3, prior to accumulating 1,650 hours time-in-service (TIS) or within the next 50 hours TIS, whichever occurs later, remove mast nut P/N 360A31–1020–20 and replace with an airworthy mast nut that has a P/N other than P/N 360A31–1020–20. (2) For EC Model SA–366G1, prior to accumulating 990 hours TIS or within the next 30 hours TIS, whichever occurs later, remove mast nut P/N 360A31–1020–20 and replace with an airworthy mast nut that has a P/N other than P/N 360A31–1020–20. (3) For EC Models EC 155B and EC155B1, prior to accumulating 660 hours TIS or within the next 50 hours TIS, whichever occurs later, remove mast nut P/N 360A31– 1020–20 and replace with an airworthy mast nut that has a P/N other than P/N 360A31– 1020–20. BILLING CODE 4910–13–P (e) Alternative Methods of Compliance (AMOC) (1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: Gary Roach, Aviation Safety Engineer, Regulations and Policy Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, TX 76137; telephone (817) 222–5110; email gary.b.roach@faa.gov. (2) For operations conducted under a Part 119 operating certificate or under Part 91, Subpart K, we suggest that you notify your principal inspector, or lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office before operating any aircraft complying with this AD through an AMOC. (f) Additional Information Authority: 49 U.S.C. 106(g), 40113, 44701. 20321 (1) Eurocopter Alert Service Bulletin No. 62.00.23, No. 62.12, and No. 62A014, which are not incorporated by reference, contain additional information about the subject of this AD. All of the service bulletins are Revision 1 and all are dated Oct 27, 2010. For service information identified in this AD, contact American Eurocopter Corporation, 2701 N. Forum Drive, Grand Prairie, TX 75052, telephone (972) 641–0000 or (800) 232–0323, fax (972) 641–3775, or at https:// www.eurocopter.com/techpub. You may review copies of the service information at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas 76137. (2) The subject of this AD is addressed in in European Aviation Safety Agency AD No.: 2006–0368R1, dated December 2, 2010, and corrected December 8, 2010. (g) Subject Joint Aircraft Service Component (JASC) Code: 6300, main rotor drive system. PO 00000 Frm 00003 Fmt 4702 Sfmt 4702 DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2012–0356; Directorate Identifier 2011–SW–067–AD] RIN 2120–AA64 Airworthiness Directives; Eurocopter Deutschland GmbH Helicopters Federal Aviation Administration (FAA), DOT. ACTION: Notice of proposed rulemaking (NPRM). AGENCY: We are proposing a new airworthiness directive (AD) for all Eurocopter Deutschland GmbH (ECD) MBB–BK 117 A–3, MBB–BK 117 A–4, MBB–BK B–1, MBB–BK 117 B–2, and MBB–BK C–1 helicopters equipped with a certain external-hoist system (hoist system) by requiring either deactivating the entire hoist system or deactivating the hoist system cable cutter function on the hoist system operator control handle (operator handle). This AD was prompted by an uncommanded activation of the hoist cable cutter function on an MBB–BK117 C–1 helicopter. This AD is intended to prevent uncommanded cutting of the hoist cable and subsequent injury to persons being lifted by the hoist. DATES: We must receive comments on this proposed AD by May 4, 2012. ADDRESSES: You may send comments by any of the following methods: • Federal eRulemaking Docket: Go to https://www.regulations.gov. Follow the online instructions for sending your comments electronically. • Fax: 202–493–2251. • Mail: Send comments to the U.S. Department of Transportation, Docket Operations, M–30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue SE., Washington, DC 20590–0001. • Hand Delivery: Deliver to the ‘‘Mail’’ address between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. Examining The AD Docket: You may examine the AD docket on the Internet at https://www.regulations.gov or in person at the Docket Operations Office SUMMARY: E:\FR\FM\04APP1.SGM 04APP1 20322 Federal Register / Vol. 77, No. 65 / Wednesday, April 4, 2012 / Proposed Rules Comments Invited We invite you to participate in this rulemaking by submitting written comments, data, or views. We also invite comments relating to the economic, environmental, energy, or federalism impacts that might result from adopting the proposals in this document. The most helpful comments reference a specific portion of the proposal, explain the reason for any recommended change, and include supporting data. To ensure the docket does not contain duplicate comments, commenters should send only one copy of written comments, or if comments are filed electronically, commenters should submit only one time. We will file in the docket all comments that we receive, as well as a report summarizing each substantive public contact with FAA personnel concerning this proposed rulemaking. Before acting on this proposal, we will consider all comments we receive on or before the closing date for comments. We will consider comments filed after the comment period has closed if it is possible to do so without incurring expense or delay. We may change this proposal in light of the comments we receive. for the Member States of the European Union, reports that during a recent incident involving an MBB–BK 117 C– 1 helicopter, the cable cut-off function of the rescue hoist system was triggered uncommanded, and the hoist cable was cut. The subsequent investigation revealed that this was caused by a malfunction within the rescue hoist system’s remote control handle assembly while extending the hoist boom. EASA advises that this condition, if not corrected, ‘‘will lead to detachment of an external load or person from the helicopter hoist, possibly resulting in personal injury, or injury to persons on the ground.’’ As a result, EASA issued EASA AD No.: 2011–0126, dated July 1, 2011 (EASA AD 2011–0126), to correct this unsafe condition in the ECD Model MBB–BK117 A–1, MBB–BK117 A–3, MBB–BK117 B–1, MBB–BK117 B–2, and MBB–BK117 C–1 helicopters equipped with a hoist system, Part Number (P/N) 117–80403 or 117– 804061. EASA AD 2011–0126 requires deactivation of the affected external hoist system by pulling and securing the related circuit breakers, or by removing the hoist boom. After EASA AD 2011–0126 was issued, it was discovered that pulling the circuit breaker WARN ANN II degraded the annunciator system’s redundant power supply, so that pilots could not be warned of a second helicopter system failure. Prompted by these findings, EASA issued superseding EASA AD No.: 2011–0131, dated July 8, 2011 (EASA AD 2011– 0131), to require pulling only three circuit breakers, (CABLE CUTTER, WINCH CONT, and WINCH BOOM,) while circuit breaker WARN ANN II remains inserted. EASA advises that since EASA AD 2011–0131 was issued ‘‘a corrective action has been developed to establish an adequate safety level, while a terminating action is under investigation but currently not available.’’ EASA subsequently issued the current EASA AD No.: 2011–0148, dated August 5, 2011 (EASA AD 2011– 0148), which retains the requirements of EASA AD 2011–0131 and requires modification of the helicopter wiring and operator handle P/N 76803, a revision to the Rotorcraft Flight Manual and Supplement, and repetitive inspections of the operator handle. EASA AD 2011–0148 also requires implementing a 10-year time frame for overhaul of the operator handle. Discussion The European Aviation Safety Agency (EASA), which is the Technical Agent FAA’s Determination We are proposing this AD because we evaluated all known relevant emcdonald on DSK29S0YB1PROD with PROPOSALS between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this proposed AD, the economic evaluation, any comments received, and other information. The street address for the Docket Operations Office (telephone 800–647–5527) is in the ADDRESSES section. Comments will be available in the AD docket shortly after receipt. For service information identified in this proposed AD, contact American Eurocopter Corporation, 2701 N. Forum Drive, Grand Prairie, TX 75052, telephone (972) 641–0000 or (800) 232– 0323, fax (972) 641–3775, or at https:// www.eurocopter.com/techpub. You may review copies of the referenced service information at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth Texas 76137. FOR FURTHER INFORMATION CONTACT: George Schwab, Aviation Safety Engineer, Safety Management Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, TX 76137; telephone (817) 222–5110; email george.schwab@faa.gov. SUPPLEMENTARY INFORMATION: VerDate Mar<15>2010 15:25 Apr 03, 2012 Jkt 226001 PO 00000 Frm 00004 Fmt 4702 Sfmt 4702 information and determined that an unsafe condition exists and is likely to exist or develop on other products of these same type designs. The hoist cable that extends from an MBB–BK 117 C– 1 helicopter, used typically to pick up people or goods, often during emergencies, was cut with no command or push of the button from anyone aboard the aircraft. The cause was a malfunction in the cable hoist system. This situation could harm anyone being lifted in the rescue hoist. Related Service Information ECD has issued Emergency Alert Service Bulletin MBB–BK117–80–166, Revision 1, dated August 4, 2011 (ASB). The ASB specifies the deactivation of the cable cutter function on the operator handle. After the cable cutter function on the operator handle has been deactivated, the rescue winch may be used. Proposed AD Requirements This proposed AD would require either deactivation of the entire hoist system or deactivation of the hoist system cable cutter function on the operator handle within 30 days or before the system is used again, whichever comes first. Deactivating the entire hoist system would be accomplished by either pulling and securing three circuit breakers or by removing the hoist boom from the helicopter. Deactivating the external hoist system cable cutter function on the operator handle would be accomplished by modifying the helicopter wiring and the operator handle P/N 76803, repetitively inspecting the operator handle, and replacing the operator handle if damaged. This AD also would prohibit installation of the affected hoist systems on any helicopter, unless the installation complies with this AD’s requirements, and would prohibit installation of the operator handle on any helicopter unless it has been modified in accordance with this AD. Differences Between This Proposed AD and the EASA AD This AD would also apply to the Eurocopter Deutschland GmbH (ECD) Model MBB–BK 117 A–4 model. The EASA AD makes no mention of this model. The EASA AD also applies to the MBB–BK 117 A–1 model. Eurocopter informs us that the MBB–BK 117 A–1 model no longer exists, so we did not include it in our proposed AD. The EASA AD requires temporary revisions to the Rotorcraft Flight Manual and its supplements; this proposed AD does not. The EASA AD requires overhaul of E:\FR\FM\04APP1.SGM 04APP1 Federal Register / Vol. 77, No. 65 / Wednesday, April 4, 2012 / Proposed Rules the operator handle every ten years; this proposed AD does not. Interim Action We consider this proposed AD to be an interim action. The design approval holder is currently developing a terminating action to address the unsafe condition identified in this AD. Once this terminating action is developed, approved, and available, we might consider additional rulemaking. promoting safe flight of civil aircraft in air commerce by prescribing regulations for practices, methods, and procedures the Administrator finds necessary for safety in air commerce. This regulation is within the scope of that authority because it addresses an unsafe condition that is likely to exist or develop on products identified in this rulemaking action. Regulatory Findings emcdonald on DSK29S0YB1PROD with PROPOSALS Costs of Compliance We estimate that this proposed AD would affect about 12 helicopters of U.S. registry. We estimate the following costs to comply with this AD: • Option 1: Pull and secure three circuit breakers. We estimate that this task would require about one half-hour to complete. At $85 per work-hour, the labor cost would total about $43. No parts would be needed, so we estimate the total cost per helicopter to be $43, or $516 for the fleet. • Option 2: Remove the hoist boom from the helicopter. We estimate that this task would require 1.5 hours to complete at $85 per work-hour for a total labor cost of about $128. No parts would be needed, so we estimate the total cost per helicopter to be $128, or $1,536 for the fleet. • Option 3: We estimate that modifying the hoist operator handle would require four work-hours at $85 per work-hour for a total labor cost of $340 per helicopter. Parts would cost about $92. Inspecting the hoist-operator handle for damage would take about one half-hour for a labor cost of about $43. For 12 monthly inspections per year, the annual cost would total $516. We estimate that replacing the operator handle with a new operator handle would require 0.25 work hour at $85 an hour for a labor cost of about $21 per helicopter. Parts would cost about $18,500 for a total cost of $18,521 per helicopter. Total costs per helicopter would vary, depending on whether repairs are needed. We determined that this proposed AD would not have federalism implications under Executive Order 13132. This proposed AD would not have a substantial direct effect on the States, on the relationship between the national Government and the States, or on the distribution of power and responsibilities among the various levels of government. For the reasons discussed, I certify this proposed regulation: 1. Is not a ‘‘significant regulatory action’’ under Executive Order 12866; 2. Is not a ‘‘significant rule’’ under the DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979); 3. Will not affect intrastate aviation in Alaska to the extent that it justifies making a regulatory distinction; and 4. Will not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act. We prepared an economic evaluation of the estimated costs to comply with this proposed AD and placed it in the AD docket. Authority for This Rulemaking Title 49 of the United States Code specifies the FAA’s authority to issue rules on aviation safety. Subtitle I, section 106, describes the authority of the FAA Administrator. ‘‘Subtitle VII: Aviation Programs,’’ describes in more detail the scope of the Agency’s authority. We are issuing this rulemaking under the authority described in ‘‘Subtitle VII, Part A, Subpart III, Section 44701: General requirements.’’ Under that section, Congress charges the FAA with PART 39—AIRWORTHINESS DIRECTIVES VerDate Mar<15>2010 15:25 Apr 03, 2012 Jkt 226001 List of Subjects in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety. The Proposed Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA proposes to amend 14 CFR part 39 as follows: 1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. § 39.13 [Amended] 2. The FAA amends § 39.13 by adding the following new airworthiness directive (AD): Eurocopter Deutschland GmbH helicopters: Docket No. FAA–2012–0356; Directorate Identifier 2011–SW–67–AD. PO 00000 Frm 00005 Fmt 4702 Sfmt 4702 20323 (a) Applicability This AD applies to Model MBB–BK 117 A– 3, MBB–BK 117 A–4, MBB–BK B–1, MBB– BK 117 B–2, and MBB–BK 117 C–1 helicopters with an external hoist system (hoist system) Part Number (P/N) 117–80403 or P/N 117–804061 installed, certificated in any category. (b) Unsafe Condition This AD defines the unsafe condition as an uncommanded cutting of the hoist cable. This condition could result in loss of the helicopter hoist and load and subsequent injury to persons being lifted by the hoist. (c) Compliance You are responsible for performing each action required by this AD within the specified compliance time unless it has already been accomplished prior to that time. (d) Required Actions (1) Before the next hoist operation or within 30 days, whichever comes first, comply with either paragraph (1)(i), (1)(ii), or (1)(iii): (i) Deactivate the hoist system by pulling the CABLE CUTTER, WINCH CONT, and WINCH BOOM circuit breakers and securing each circuit breaker with a cable tie; or (ii) Deactivate the hoist system by removing the hoist boom from the helicopter; or (iii) Deactivate the external hoist operator handle cable-cutter function by accomplishing the following: (A) Modify the helicopter wiring and the operator handle, P/N 76803, in accordance with the Accomplishment Instructions, Paragraph 3.B.1 (b), of Eurocopter Emergency Alert Service Bulletin MBB–BK117–80–166, Revision 1, dated August 4, 2011 (ASB). (B) Inspect the operator handle P/N 76803 and the coiled cable of the operator handle for damage in accordance with Paragraph 3.B.1.(a)(2) of the ASB. Damage is also defined as any condition that could prevent the part’s ability to perform its intended function. (1) If the operator handle or the coiled cable of the operator handle has damage, replace the operator handle with an airworthy operator handle P/N 76803, before the next hoist operation. (2) At intervals not to exceed 30 days, repeat the inspection in Paragraph (1)(iii)(B) of the Required Actions section of this AD. (2) Before installing an affected hoist system on any helicopter, comply with Paragraph (1) of the Required Actions section of this AD. (3) Before installing an operator handle P/N 76803 on any helicopter, comply with Paragraph (1)(iii)(A) of the Required Actions section of this AD. (e) Alternative Methods of Compliance (AMOC) (1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: George Schwab, Aviation Safety Engineer, Safety Management Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, TX 76137; telephone (817) 222–5110; email george.schwab@faa.gov. E:\FR\FM\04APP1.SGM 04APP1 20324 Federal Register / Vol. 77, No. 65 / Wednesday, April 4, 2012 / Proposed Rules (2) For operations conducted under a Part 119 operating certificate or under Part 91, Subpart K, we suggest that you notify your principal inspector, or lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office before operating any aircraft complying with this AD through an AMOC. (f) Subject Joint Aircraft Service Component (JASC) Code: 2597, Equipment/furnishing system wiring. Issued in Fort Worth, Texas, on March 26, 2012. Scott A. Horn, Acting Manager, Rotorcraft Directorate, Aircraft Certification Service. [FR Doc. 2012–8064 Filed 4–3–12; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF HOMELAND SECURITY Coast Guard 33 CFR Parts 100 and 165 RIN 1625–AA00; 1625–AA08 Special Local Regulation and Safety Zones; Marine Events in Captain of the Port Sector Long Island Sound Zone Coast Guard, DHS. Notice of proposed rulemaking. AGENCY: The Coast Guard proposes to establish temporary special local regulations and safety zones for marine events on the navigable waters within the Captain of the Port (COTP) Sector Long Island Sound zone for regattas, fireworks displays and swim events. This action is necessary to provide for the safety of life on navigable waters during the events. Entering into, transiting through, remaining, anchoring or mooring within these regulated areas would be prohibited unless authorized by the COTP Sector Long Island Sound. DATES: Comments and related material must be received by the Coast Guard on or before May 4, 2012. Requests for public meetings must be received by the Coast Guard on or before April 25, 2012. ADDRESSES: You may submit comments identified by docket number USCG– 2012–0111 using any one of the following methods: (1) Federal eRulemaking Portal: https://www.regulations.gov. (2) Fax: 202–493–2251. (3) Mail: Docket Management Facility (M–30), U.S. Department of Transportation, West Building Ground Floor, Room W12–140, 1200 New Jersey emcdonald on DSK29S0YB1PROD with PROPOSALS SUMMARY: VerDate Mar<15>2010 15:25 Apr 03, 2012 If you have questions on this proposed rule, call or email Petty Officer Joseph Graun, Prevention Department, Coast Guard Sector Long Island Sound, (203) 468–4544, Joseph.L.Graun@uscg.mil. If you have questions on viewing or submitting material to the docket, call Renee V. Wright, Program Manager, Docket Operations, telephone 202–366– 9826. SUPPLEMENTARY INFORMATION: FOR FURTHER INFORMATION CONTACT: Public Participation and Request for Comments [Docket No. USCG–2012–0111] ACTION: Avenue SE., Washington, DC 20590– 0001. (4) Hand delivery: Same as mail address above, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The telephone number is 202–366–9329. To avoid duplication, please use only one of these four methods. See the ‘‘Public Participation and Request for Comments’’ portion of the SUPPLEMENTARY INFORMATION section below for instructions on submitting comments. Jkt 226001 We encourage you to participate in this rulemaking by submitting comments and related materials. All comments received will be posted without change to https:// www.regulations.gov and will include any personal information you have provided. Submitting Comments If you submit a comment, please include the docket number for this rulemaking (USCG–2012–0111), indicate the specific section of this document to which each comment applies, and provide a reason for each suggestion or recommendation. You may submit your comments and material online (via https:// www.regulations.gov) or by fax, mail, or hand delivery, but please use only one of these means. If you submit a comment online via www.regulations.gov, it will be considered received by the Coast Guard when you successfully transmit the comment. If you fax, hand deliver, or mail your comment, it will be considered as having been received by the Coast Guard when it is received at the Docket Management Facility. We recommend that you include your name and a mailing address, an email address, or a telephone number in the body of your document so that we can contact you if we have questions regarding your submission. To submit your comment online, go to https://www.regulations.gov, type the PO 00000 Frm 00006 Fmt 4702 Sfmt 4702 docket number USCG–2012–0111 in the ‘‘SEARCH’’ box and click ‘‘SEARCH.’’ Click on ‘‘Submit a Comment’’ on the line associated with this rulemaking. If you submit your comments by mail or hand delivery, submit them in an unbound format, no larger than 81⁄2 by 11 inches, suitable for copying and electronic filing. If you submit comments by mail and would like to know that they reached the Facility, please enclose a stamped, self-addressed postcard or envelope. We will consider all comments and material received during the comment period and may change the rule based on your comments. Viewing Comments and Documents To view comments, as well as documents mentioned in this preamble as being available in the docket, go to https://www.regulations.gov, type the docket number USCG–2012–0111 in the ‘‘SEARCH’’ box and click ‘‘SEARCH.’’ Click on Open Docket Folder on the line associated with this rulemaking. You may also visit the Docket Management Facility in Room W12–140 on the ground floor of the Department of Transportation West Building, 1200 New Jersey Avenue SE., Washington, DC 20590, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. We have an agreement with the Department of Transportation to use the Docket Management Facility. Privacy Act Anyone can search the electronic form of comments received into any of our dockets by the name of the individual submitting the comment (or signing the comment, if submitted on behalf of an association, business, labor union, etc.). You may review a Privacy Act notice regarding our public dockets in the January 17, 2008, issue of the Federal Register (73 FR 3316). Public Meeting We do not now plan to hold a public meeting. But you may submit a request for one April 25, 2012 using one of the four methods specified under ADDRESSES. Please explain why you believe a public meeting would be beneficial. If we determine that one would aid this rulemaking, we will hold one at a time and place announced by a later notice in the Federal Register. Basis and Purpose The legal basis for this temporary rule is 33 U.S.C. 1226, 1231, 1233; 46 U.S.C. Chapters 454, 701, 3306, 3703; 50 U.S.C. 191, 195; 33 CFR 1.05–1, 6.04–1, 6.04– 6 and 160.5; Pub. L. 107–295, 116 Stat. 2064; Department of Homeland Security E:\FR\FM\04APP1.SGM 04APP1

Agencies

[Federal Register Volume 77, Number 65 (Wednesday, April 4, 2012)]
[Proposed Rules]
[Pages 20321-20324]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 2012-8064]


-----------------------------------------------------------------------

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2012-0356; Directorate Identifier 2011-SW-067-AD]
RIN 2120-AA64


Airworthiness Directives; Eurocopter Deutschland GmbH Helicopters

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

-----------------------------------------------------------------------

SUMMARY: We are proposing a new airworthiness directive (AD) for all 
Eurocopter Deutschland GmbH (ECD) MBB-BK 117 A-3, MBB-BK 117 A-4, MBB-
BK B-1, MBB-BK 117 B-2, and MBB-BK C-1 helicopters equipped with a 
certain external-hoist system (hoist system) by requiring either 
deactivating the entire hoist system or deactivating the hoist system 
cable cutter function on the hoist system operator control handle 
(operator handle). This AD was prompted by an uncommanded activation of 
the hoist cable cutter function on an MBB-BK117 C-1 helicopter. This AD 
is intended to prevent uncommanded cutting of the hoist cable and 
subsequent injury to persons being lifted by the hoist.

DATES: We must receive comments on this proposed AD by May 4, 2012.

ADDRESSES: You may send comments by any of the following methods:
     Federal eRulemaking Docket: Go to https://www.regulations.gov. Follow the online instructions for sending your 
comments electronically.
     Fax: 202-493-2251.
     Mail: Send comments to the U.S. Department of 
Transportation, Docket Operations, M-30, West Building Ground Floor, 
Room W12-140, 1200 New Jersey Avenue SE., Washington, DC 20590-0001.
     Hand Delivery: Deliver to the ``Mail'' address between 9 
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
    Examining The AD Docket: You may examine the AD docket on the 
Internet at https://www.regulations.gov or in person at the Docket 
Operations Office

[[Page 20322]]

between 9 a.m. and 5 p.m., Monday through Friday, except Federal 
holidays. The AD docket contains this proposed AD, the economic 
evaluation, any comments received, and other information. The street 
address for the Docket Operations Office (telephone 800-647-5527) is in 
the ADDRESSES section. Comments will be available in the AD docket 
shortly after receipt.
    For service information identified in this proposed AD, contact 
American Eurocopter Corporation, 2701 N. Forum Drive, Grand Prairie, TX 
75052, telephone (972) 641-0000 or (800) 232-0323, fax (972) 641-3775, 
or at https://www.eurocopter.com/techpub.
    You may review copies of the referenced service information at the 
FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham 
Blvd., Room 663, Fort Worth Texas 76137.

FOR FURTHER INFORMATION CONTACT: George Schwab, Aviation Safety 
Engineer, Safety Management Group, Rotorcraft Directorate, FAA, 2601 
Meacham Blvd., Fort Worth, TX 76137; telephone (817) 222-5110; email 
george.schwab@faa.gov.

SUPPLEMENTARY INFORMATION:

Comments Invited

    We invite you to participate in this rulemaking by submitting 
written comments, data, or views. We also invite comments relating to 
the economic, environmental, energy, or federalism impacts that might 
result from adopting the proposals in this document. The most helpful 
comments reference a specific portion of the proposal, explain the 
reason for any recommended change, and include supporting data. To 
ensure the docket does not contain duplicate comments, commenters 
should send only one copy of written comments, or if comments are filed 
electronically, commenters should submit only one time.
    We will file in the docket all comments that we receive, as well as 
a report summarizing each substantive public contact with FAA personnel 
concerning this proposed rulemaking. Before acting on this proposal, we 
will consider all comments we receive on or before the closing date for 
comments. We will consider comments filed after the comment period has 
closed if it is possible to do so without incurring expense or delay. 
We may change this proposal in light of the comments we receive.

Discussion

    The European Aviation Safety Agency (EASA), which is the Technical 
Agent for the Member States of the European Union, reports that during 
a recent incident involving an MBB-BK 117 C-1 helicopter, the cable 
cut-off function of the rescue hoist system was triggered uncommanded, 
and the hoist cable was cut. The subsequent investigation revealed that 
this was caused by a malfunction within the rescue hoist system's 
remote control handle assembly while extending the hoist boom. EASA 
advises that this condition, if not corrected, ``will lead to 
detachment of an external load or person from the helicopter hoist, 
possibly resulting in personal injury, or injury to persons on the 
ground.''
    As a result, EASA issued EASA AD No.: 2011-0126, dated July 1, 2011 
(EASA AD 2011-0126), to correct this unsafe condition in the ECD Model 
MBB-BK117 A-1, MBB-BK117 A-3, MBB-BK117 B-1, MBB-BK117 B-2, and MBB-
BK117 C-1 helicopters equipped with a hoist system, Part Number (P/N) 
117-80403 or 117-804061. EASA AD 2011-0126 requires deactivation of the 
affected external hoist system by pulling and securing the related 
circuit breakers, or by removing the hoist boom.
    After EASA AD 2011-0126 was issued, it was discovered that pulling 
the circuit breaker WARN ANN II degraded the annunciator system's 
redundant power supply, so that pilots could not be warned of a second 
helicopter system failure. Prompted by these findings, EASA issued 
superseding EASA AD No.: 2011-0131, dated July 8, 2011 (EASA AD 2011-
0131), to require pulling only three circuit breakers, (CABLE CUTTER, 
WINCH CONT, and WINCH BOOM,) while circuit breaker WARN ANN II remains 
inserted.
    EASA advises that since EASA AD 2011-0131 was issued ``a corrective 
action has been developed to establish an adequate safety level, while 
a terminating action is under investigation but currently not 
available.'' EASA subsequently issued the current EASA AD No.: 2011-
0148, dated August 5, 2011 (EASA AD 2011-0148), which retains the 
requirements of EASA AD 2011-0131 and requires modification of the 
helicopter wiring and operator handle P/N 76803, a revision to the 
Rotorcraft Flight Manual and Supplement, and repetitive inspections of 
the operator handle. EASA AD 2011-0148 also requires implementing a 10-
year time frame for overhaul of the operator handle.

FAA's Determination

    We are proposing this AD because we evaluated all known relevant 
information and determined that an unsafe condition exists and is 
likely to exist or develop on other products of these same type 
designs. The hoist cable that extends from an MBB-BK 117 C-1 
helicopter, used typically to pick up people or goods, often during 
emergencies, was cut with no command or push of the button from anyone 
aboard the aircraft. The cause was a malfunction in the cable hoist 
system. This situation could harm anyone being lifted in the rescue 
hoist.

Related Service Information

    ECD has issued Emergency Alert Service Bulletin MBB-BK117-80-166, 
Revision 1, dated August 4, 2011 (ASB). The ASB specifies the 
deactivation of the cable cutter function on the operator handle. After 
the cable cutter function on the operator handle has been deactivated, 
the rescue winch may be used.

Proposed AD Requirements

    This proposed AD would require either deactivation of the entire 
hoist system or deactivation of the hoist system cable cutter function 
on the operator handle within 30 days or before the system is used 
again, whichever comes first. Deactivating the entire hoist system 
would be accomplished by either pulling and securing three circuit 
breakers or by removing the hoist boom from the helicopter. 
Deactivating the external hoist system cable cutter function on the 
operator handle would be accomplished by modifying the helicopter 
wiring and the operator handle P/N 76803, repetitively inspecting the 
operator handle, and replacing the operator handle if damaged. This AD 
also would prohibit installation of the affected hoist systems on any 
helicopter, unless the installation complies with this AD's 
requirements, and would prohibit installation of the operator handle on 
any helicopter unless it has been modified in accordance with this AD.

Differences Between This Proposed AD and the EASA AD

    This AD would also apply to the Eurocopter Deutschland GmbH (ECD) 
Model MBB-BK 117 A-4 model. The EASA AD makes no mention of this model. 
The EASA AD also applies to the MBB-BK 117 A-1 model. Eurocopter 
informs us that the MBB-BK 117 A-1 model no longer exists, so we did 
not include it in our proposed AD. The EASA AD requires temporary 
revisions to the Rotorcraft Flight Manual and its supplements; this 
proposed AD does not. The EASA AD requires overhaul of

[[Page 20323]]

the operator handle every ten years; this proposed AD does not.

Interim Action

    We consider this proposed AD to be an interim action. The design 
approval holder is currently developing a terminating action to address 
the unsafe condition identified in this AD. Once this terminating 
action is developed, approved, and available, we might consider 
additional rulemaking.

Costs of Compliance

    We estimate that this proposed AD would affect about 12 helicopters 
of U.S. registry.
    We estimate the following costs to comply with this AD:
     Option 1: Pull and secure three circuit breakers. We 
estimate that this task would require about one half-hour to complete. 
At $85 per work-hour, the labor cost would total about $43. No parts 
would be needed, so we estimate the total cost per helicopter to be 
$43, or $516 for the fleet.
     Option 2: Remove the hoist boom from the helicopter. We 
estimate that this task would require 1.5 hours to complete at $85 per 
work-hour for a total labor cost of about $128. No parts would be 
needed, so we estimate the total cost per helicopter to be $128, or 
$1,536 for the fleet.
     Option 3: We estimate that modifying the hoist operator 
handle would require four work-hours at $85 per work-hour for a total 
labor cost of $340 per helicopter. Parts would cost about $92. 
Inspecting the hoist-operator handle for damage would take about one 
half-hour for a labor cost of about $43. For 12 monthly inspections per 
year, the annual cost would total $516. We estimate that replacing the 
operator handle with a new operator handle would require 0.25 work hour 
at $85 an hour for a labor cost of about $21 per helicopter. Parts 
would cost about $18,500 for a total cost of $18,521 per helicopter. 
Total costs per helicopter would vary, depending on whether repairs are 
needed.

Authority for This Rulemaking

    Title 49 of the United States Code specifies the FAA's authority to 
issue rules on aviation safety. Subtitle I, section 106, describes the 
authority of the FAA Administrator. ``Subtitle VII: Aviation 
Programs,'' describes in more detail the scope of the Agency's 
authority.
    We are issuing this rulemaking under the authority described in 
``Subtitle VII, Part A, Subpart III, Section 44701: General 
requirements.'' Under that section, Congress charges the FAA with 
promoting safe flight of civil aircraft in air commerce by prescribing 
regulations for practices, methods, and procedures the Administrator 
finds necessary for safety in air commerce. This regulation is within 
the scope of that authority because it addresses an unsafe condition 
that is likely to exist or develop on products identified in this 
rulemaking action.

Regulatory Findings

    We determined that this proposed AD would not have federalism 
implications under Executive Order 13132. This proposed AD would not 
have a substantial direct effect on the States, on the relationship 
between the national Government and the States, or on the distribution 
of power and responsibilities among the various levels of government.
    For the reasons discussed, I certify this proposed regulation:
    1. Is not a ``significant regulatory action'' under Executive Order 
12866;
    2. Is not a ``significant rule'' under the DOT Regulatory Policies 
and Procedures (44 FR 11034, February 26, 1979);
    3. Will not affect intrastate aviation in Alaska to the extent that 
it justifies making a regulatory distinction; and
    4. Will not have a significant economic impact, positive or 
negative, on a substantial number of small entities under the criteria 
of the Regulatory Flexibility Act.
    We prepared an economic evaluation of the estimated costs to comply 
with this proposed AD and placed it in the AD docket.

List of Subjects in 14 CFR Part 39

    Air transportation, Aircraft, Aviation safety, Incorporation by 
reference, Safety.

The Proposed Amendment

    Accordingly, under the authority delegated to me by the 
Administrator, the FAA proposes to amend 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES

    1. The authority citation for part 39 continues to read as follows:

    Authority:  49 U.S.C. 106(g), 40113, 44701.


Sec.  39.13  [Amended]

    2. The FAA amends Sec.  39.13 by adding the following new 
airworthiness directive (AD):

Eurocopter Deutschland GmbH helicopters: Docket No. FAA-2012-0356; 
Directorate Identifier 2011-SW-67-AD.

(a) Applicability

    This AD applies to Model MBB-BK 117 A-3, MBB-BK 117 A-4, MBB-BK 
B-1, MBB-BK 117 B-2, and MBB-BK 117 C-1 helicopters with an external 
hoist system (hoist system) Part Number (P/N) 117-80403 or P/N 117-
804061 installed, certificated in any category.

(b) Unsafe Condition

    This AD defines the unsafe condition as an uncommanded cutting 
of the hoist cable. This condition could result in loss of the 
helicopter hoist and load and subsequent injury to persons being 
lifted by the hoist.

(c) Compliance

    You are responsible for performing each action required by this 
AD within the specified compliance time unless it has already been 
accomplished prior to that time.

(d) Required Actions

    (1) Before the next hoist operation or within 30 days, whichever 
comes first, comply with either paragraph (1)(i), (1)(ii), or 
(1)(iii):
    (i) Deactivate the hoist system by pulling the CABLE CUTTER, 
WINCH CONT, and WINCH BOOM circuit breakers and securing each 
circuit breaker with a cable tie; or
    (ii) Deactivate the hoist system by removing the hoist boom from 
the helicopter; or
    (iii) Deactivate the external hoist operator handle cable-cutter 
function by accomplishing the following:
    (A) Modify the helicopter wiring and the operator handle, P/N 
76803, in accordance with the Accomplishment Instructions, Paragraph 
3.B.1 (b), of Eurocopter Emergency Alert Service Bulletin MBB-BK117-
80-166, Revision 1, dated August 4, 2011 (ASB).
    (B) Inspect the operator handle P/N 76803 and the coiled cable 
of the operator handle for damage in accordance with Paragraph 
3.B.1.(a)(2) of the ASB. Damage is also defined as any condition 
that could prevent the part's ability to perform its intended 
function.
    (1) If the operator handle or the coiled cable of the operator 
handle has damage, replace the operator handle with an airworthy 
operator handle P/N 76803, before the next hoist operation.
    (2) At intervals not to exceed 30 days, repeat the inspection in 
Paragraph (1)(iii)(B) of the Required Actions section of this AD.
    (2) Before installing an affected hoist system on any 
helicopter, comply with Paragraph (1) of the Required Actions 
section of this AD.
    (3) Before installing an operator handle P/N 76803 on any 
helicopter, comply with Paragraph (1)(iii)(A) of the Required 
Actions section of this AD.

(e) Alternative Methods of Compliance (AMOC)

    (1) The Manager, Safety Management Group, FAA, may approve AMOCs 
for this AD. Send your proposal to: George Schwab, Aviation Safety 
Engineer, Safety Management Group, Rotorcraft Directorate, FAA, 2601 
Meacham Blvd., Fort Worth, TX 76137; telephone (817) 222-5110; email 
george.schwab@faa.gov.

[[Page 20324]]

    (2) For operations conducted under a Part 119 operating 
certificate or under Part 91, Subpart K, we suggest that you notify 
your principal inspector, or lacking a principal inspector, the 
manager of the local flight standards district office or certificate 
holding district office before operating any aircraft complying with 
this AD through an AMOC.

(f) Subject

    Joint Aircraft Service Component (JASC) Code: 2597, Equipment/
furnishing system wiring.

    Issued in Fort Worth, Texas, on March 26, 2012.
Scott A. Horn,
Acting Manager, Rotorcraft Directorate, Aircraft Certification Service.
[FR Doc. 2012-8064 Filed 4-3-12; 8:45 am]
BILLING CODE 4910-13-P
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.