Department of Transportation 2007 – Federal Register Recent Federal Regulation Documents
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Motorcyclist Advisory Council to the Federal Highway Administration
This document announces the third meeting of the Motorcyclist Advisory Council to the Federal Highway Administration (MAC-FHWA). The purpose of this meeting is to advise the Secretary of Transportation, through the Administrator of the Federal Highway Administration, on infrastructure issues of concern to motorcyclists, including (1) barrier design; (2) road design, construction, and maintenance practices; and (3) the architecture and implementation of intelligent transportation system technologies, pursuant to section 1914 of the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU).
Announcement of Application Procedure and Deadlines for the Truck Parking Initiative
This notice solicits applications for the truck parking initiative for which funding is available under section 1305 of the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU). SAFETEA-LU directed the Secretary to establish a pilot program to address the shortage of long-term parking for commercial motor vehicles on the National Highway System. States, metropolitan planning organizations (MPOs) and local governments are eligible for the funding available for fiscal years (FY) 2006-2009. Section 1305 allows for a wide range of eligible projects, ranging from construction of spaces and other capital improvements to using intelligent transportation systems (ITS) technology to increase information on the availability of both public and private commercial vehicle parking spaces. For purposes of this program, long-term parking is defined as parking available for 10 or more consecutive hours.
Airworthiness Directives; Airbus Model A330-200, A330-300, A340-200, A340-300, A340-500, and A340-600 Series Airplanes
The FAA is correcting a typographical error in an existing airworthiness directive (AD) that was published in the Federal Register on November 1, 2007 (72 FR 61796). The error resulted in an error in an airplane series number identified in Table 2 of the AD. This AD applies to all Airbus Model A330-200, A330-300, A340-200, A340-300, A340-500, and A340-600 series airplanes. This AD requires repetitive detailed visual inspections for cracking of the LH (left hand) and RH (right hand) wing MLG (main landing gear) rib 6 aft bearing lugs, and repair or replacement of the MLG rib 6 fitting, if necessary.
Standard Instrument Approach Procedures; Miscellaneous Amendments
This rule amends Standard Instrument Approach Procedures (SIAPs) for operations at certain airports. These regulatory actions are needed because of changes in the National Airspace System, such as the commissioning of new navigational facilities, adding of new obstacles, or changing air traffic requirements. These changes are designed to provide safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.
Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous Amendments
This Rule establishes, amends, suspends, or revokes Standard Instrument Approach Procedures (SIAPs) and associated Takeoff Minimums and Obstacle Departure Procedures for operations at certain airports. These regulatory actions are needed because of the adoption of new or revised criteria, or because of changes occurring in the National Airspace System, such as the commissioning of new navigational facilities, adding new obstacles, or changing air traffic requirements. These changes are designed to provide safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.
Special Conditions: DynCorp International, Supplemental Type Certificate (STC), Project Number ST2902RC-R, Installation of Pratt & Whitney Canada PT6-67D Engine With Full Authority Digital Engine Control (FADEC) on Global Helicopter Technology, Inc. (GHTI), Restricted Category Model UH-1H Helicopters, Type Certificate (TC) Number R00002RC
This special condition is issued for Supplemental Type Certificate (STC), Project Number ST2902RC-R, for the installation of a Pratt and Whitney PT6-67D Turbine Engine on Global Helicopter Technology Inc. (GHTI), Restricted Category, U.S. Army military surplus helicopters, Model UH-1H, type certificated under type certificate (TC) R00002RC. The installation of the PT6-67D on the Restricted Category UH-1H will have a novel or unusual design feature associated with the installation of the Full Authority Digital Engine Control (FADEC). The applicable airworthiness regulations do not contain adequate or appropriate safety standards to protect systems that perform critical control functions from the effects of a high-intensity radiated field (HIRF). This special condition contains the additional safety standards that the Administrator considers necessary to ensure that critical control functions of systems will be maintained when exposed to HIRF.
Agency Information Collection Activity Seeking OMB Approval
The FAA invites public comments about our intention to request the Office of Management and Budget's (OMB) revision of a current information collection. The Federal Register Notice with a 60-day comment period soliciting comments on the following collection of information was published on August 15, 2007, Vol. 72, No. 157, Page 45864. FAR Part 43 prescribes the rules governing maintenance, rebuilding, and alteration of aircraft and aircraft components, and is necessary to ensure this work is performed by qualified persons, and at proper intervals.
Qualification of Drivers; Exemption Applications; Vision
FMCSA announces its decision to renew the exemptions from the vision requirement in the Federal Motor Carrier Safety Regulations for 27 individuals. FMCSA has statutory authority to exempt individuals from the vision requirement if the exemptions granted will not compromise safety. The Agency has concluded that granting these exemption renewals will provide a level of safety that is equivalent to, or greater than, the level of safety maintained without the exemptions for these commercial motor vehicle (CMV) drivers.
Qualification of Drivers; Exemption Renewals; Vision
FMCSA previously announced its decision to renew the exemptions from the vision requirement in the Federal Motor Carrier Safety Regulations for 25 individuals. FMCSA has statutory authority to exempt individuals from the vision requirement if the exemptions granted will not compromise safety. The Agency has reviewed the comments submitted in response to the previous announcement and concluded that granting these exemptions will provide a level of safety that will be equivalent to, or greater than, the level of safety maintained without the exemptions for these commercial motor vehicle (CMV) drivers.
Review of Existing Regulations
The FAA requests comments from the public to identify those regulations currently in effect that we should amend, remove, or simplify. We are publishing this notice under our ongoing regulatory review program required by Executive Order 12866. Getting public comments is a necessary element of our effort to make our regulations more effective and less burdensome.
Airworthiness Directives; Turbomeca Makila 1 A and 1 A1 Turboshaft Engines
The FAA proposes to supersede an existing airworthiness directive (AD) for Turbomeca Makila 1 A, 1 A1, and 1 A2 turboshaft engines. That AD currently requires replacing certain digital electronic control units (DECUs) and electronic control units (ECUs) with modified DECUs and ECUs. This proposed AD would apply only to Makila 1 A and 1 A1 turboshaft engines, and would require replacing the selector-comparator board in the ECU with a board incorporating Turbomeca modification TU 250. This proposed AD results from recent unexplained reversions of the ECU to the 65% N1 back-up mode. We are proposing this AD to prevent dual-engine reversion of the ECU to the 65% N1 back-up mode, which could lead to inability to continue safe flight, emergency autorotation landing, or an accident.
Airworthiness Directives; Boeing Model 747 Series Airplanes Powered by General Electric (GE) CF6-45/50, Pratt & Whitney (P&W) JT9D-70, or JT9D-7 Series Engines
This action withdraws a notice of proposed rulemaking (NPRM) that proposed a new airworthiness directive (AD), applicable to certain Boeing Model 747 series airplanes powered by GE CF6-45/50, P&W JT9D-70, or JT9D-7 series engines. That action would have required repetitive inspections to find cracks and broken fasteners of the inboard and outboard nacelle struts of the rear engine mount bulkhead, and repair, if necessary. For certain airplanes, that action would have provided for an optional terminating modification for the inspections of the outboard nacelle struts. Since the issuance of the NPRM, the Federal Aviation Administration (FAA) has received new data of other issues related to the unsafe condition. The data include many new reports of additional web and frame cracks and sheared attachment fasteners, and reports of cracks on the outboard struts of airplanes not identified in the applicability of the NPRM, in addition to the comments received for the NPRM. We have determined from these data that the corrective actions required by the NPRM are inadequate for addressing the identified unsafe condition. Accordingly, the proposed rule is withdrawn.
Reports, Forms, and Recordkeeping Requirements
Before a Federal agency can collect certain information from the public, it must receive approval from the Office of Management and Budget (OMB). Under procedures established by the Paperwork Reduction Act of 1995, before seeking OMB approval, Federal agencies must solicit public comment on proposed collections of information, including extensions and reinstatement of previously approved collections. This document describes the collection of information under the Early Warning Reporting requirements enacted by the Transportation Recall Effectiveness, Accountability, and Documentation (TREAD) Act, Pub. L. 106-414, for which NHTSA, intends to seek OMB approval.
Amendment to Class E Airspace; Helena, MT
This action will modify Class E airspace at Helena, MT. Additional controlled airspace is necessary to accommodate aircraft using a new Localizer (LOC) Back Course (BC)-C Standard Instrument Approach Procedures (SIAP) at Helena Regional Airport. The FAA is taking this action to enhance the safety and management of aircraft operations at Helena Regional Airport, Helena, MT. Also, this action makes a minor correction to the airspace description.
Airworthiness Directives; Cessna Model 560 Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Cessna Model 560 airplanes. This AD requires installing new minimum airspeed placards to notify the flightcrew of the proper airspeeds for operating in both normal and icing conditions. This AD also requires revising the airplane flight manual to provide limitations and procedures for operating in icing conditions, for operating with anti-ice systems selected ``on'' independent of icing conditions, and for recognizing and recovering from inadvertent stall. This AD also provides an optional terminating action for the placard installation. This AD results from an evaluation of in-service airplanes following an accident. The evaluation indicated that some airplanes may have an improperly adjusted stall warning system. We are issuing this AD to prevent an inadvertent stall due to the inadequate stall warning margin provided by an improperly adjusted stall warning system, which could result in loss of controllability of the airplane.
Airworthiness Directives; Boeing Model 737-600, -700, -700C, -800 and -900 Series Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Boeing Model 737-600, -700, -700C, -800 and -900 series airplanes. This AD requires an inspection of the fillet sealant at the inboard and outboard sides of the receptacles in the wheel wells of the main landing gear, and related investigative/corrective actions if necessary. This AD results from reports of in-production airplanes with missing or insufficient fillet sealant around the receptacles at the disconnect bracket. We are issuing this AD to prevent corrosion damage due to missing or insufficient fillet sealant. Such corrosion could result in insufficient electrical bonding between the connectors and the disconnect bracket, and consequent loss of the shielding that protects the wire bundles from lightning, electromagnetic interference (EMI), and high intensity radiated field (HIRF). Loss of lightning, EMI, and HIRF protection at those receptacles could cause failure of multiple electrical systems and subsequent loss of several critical control systems that are necessary for safe flight. In addition, a lightning strike could cause arcing in the fuel tank; this potential ignition source, in combination with flammable fuel vapors, could result in a fuel tank explosion and consequent loss of the airplane.
Airworthiness Directives; Boeing Model 777 Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Boeing Model 777 airplanes. This AD requires repetitive measurements of the freeplay of certain joints of the trailing edge flap supports; repetitive lubrication of the support joints; and related investigative and corrective actions if necessary. This AD also provides for modifying certain components of the trailing edge flap supports, which extends the intervals for the repetitive measurements, and revising the maintenance practices of the maintenance planning data document. This AD results from reports of excessive wear of the pins, bushings, and bearings, and corrosion at the joints of the outboard trailing edge flap supports. We are issuing this AD to prevent wear and corrosion at the flap support joints, which could result in loss of the trailing edge flap and possible loss of control of the airplane.
Airworthiness Directives; Boeing Model 767-200, -300, and -300F Series Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Boeing Model 767-200, -300, and -300F series airplanes. This AD requires a one-time inspection of each fuel quantity indication system (FQIS) wire harness connector for corrosion of the shield-to-backshell connection, corrosion on the ground jumper, and damage to the ground jumper; a loop resistance test of each FQIS wire harness; and related investigative and corrective actions if necessary. This AD results from reports of corrosion of the out-tank wire harness of the spar connector backshell for the FQIS. We are issuing this AD to detect and correct corrosion of the out-tank wire harness, which could prevent correct grounding of the lightning shield and result in total loss of the electrical grounding between the lightning shield and the airplane structure. This condition, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane.
Airworthiness Directives; Boeing Model 747-400, 747-400D, and 747-400F Series Airplanes; Model 757-200 Series Airplanes; and Model 767-200, 767-300, and 767-300F Series Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Boeing Model 747-400, 747-400D, 747-400F, 757-200, 767-200, 767-300, and 767-300F series airplanes. This AD requires inspecting to determine the date code of the time delay relay for the cargo fire suppression system, and replacing the relay if necessary. This AD results from a report indicating that failure of a time delay relay on an ELMS (electrical load management system) panel led to testing of other time delay relays at Boeing and at the supplier. Similar relays are used in the cargo fire suppression system. The time delay relay controls when the secondary fire bottles discharge. We are issuing this AD to ensure there is sufficient fire suppressant to control a cargo fire if the airplane is more than the relay delay time from a suitable airport, which could result in an uncontrollable fire in the cargo compartment.
Amendment of Class E Airspace; Mooresville, NC
This action amends class E5 airspace at Mooresville, NC. Due to the establishment of two Copter Area Navigation (RNAV) Global Positioning System (GPS) Standard Instrument Approach Procedure (SIAP) helicopter point in space approaches at Lowe's Mooresville Heliport, Mooresville, NC, additional controlled airspace extending upward from 700 feet Above Ground Level (AGL) is needed to accommodate the SIAPs and for Instrument Flight Rules (IFR) operations at Lowe's Mooresville Heliport.
Notice of Passenger Facility Charge (PFC) Approvals and Disapprovals
The FAA publishes a monthly notice, as appropriate, of PFC approvals and disapprovals under the provisions of the Aviation Safety and Capacity Expansion Act of 1990 (Title IX of the Omnibus Budget Reconciliation Act of 1990) (Pub. L. 101-508) and Part 158 of the Federal Aviation Regulations (14 CFR part 158). This notice is published pursuant to paragraph (d) of Sec. 158.29.
Airworthiness Directives; Viking Air Limited Model DHC-6 Series Airplanes
We propose to adopt a new airworthiness directive (AD) for the products listed above that would supersede an existing AD. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Railroad Safety Advisory Committee (RSAC); Working Group Activity Update
The FRA is updating its announcement of RSAC's Working Group activities to reflect its current status.
Determination of Foreign Reconstruction or Rebuilding of U.S.-Built Vessels That Participate in the Capital Construction Fund and Cargo Preference Programs
The Maritime Administration seeks public comment on what standards the Maritime Administration should apply when making determinations of foreign reconstruction of U.S.-built vessels that participate in the Capital Construction Fund program and foreign rebuilding of U.S.-built vessels that participate in the cargo preference program.
Solicitation of Applications for Fiscal Year (FY) 2008 Motor Carrier Safety Assistance Program (MCSAP) High Priority and New Entrant Grant Funding
FMCSA announces that it has published an opportunity to apply for FY2008 MCSAP High Priority and New Entrant grant funding on the grants.gov Web site (https://www.grants.gov).
Airworthiness Directives; Boeing Model 737-600, -700, -700C, -800, and -900 Series Airplanes
This document extends the comment period for the above- referenced NPRM, which proposes the adoption of a new airworthiness directive (AD) that applies to certain Boeing Model 737-600, -700, - 700C, -800, and -900 series airplanes. The NRPM would require various repetitive inspections to detect cracks along the chemically milled steps of the fuselage skin or missing or loose fasteners in the area of the preventative modification or repairs, replacement of the time- limited repair with the permanent repair if applicable, and applicable corrective actions if necessary, which would end certain repetitive inspections. The NPRM results from a fatigue test that revealed numerous cracks in the upper skin panel at the chemically milled step above the lap joint. This extension of the comment period is necessary to ensure that all interested persons have ample opportunity to submit any written relevant data, views, or arguments regarding the NPRM.
Airworthiness Directives; McDonnell Douglas Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 Airplanes
This document extends the comment period for the above- referenced NPRM, which proposes the adoption of a new airworthiness directive (AD) that applies to all McDonnell Douglas Model DC-9-81 (MD- 81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 airplanes. The NPRM would require repetitive inspections for cracking of the overwing frames from stations 845 to 905 (MD-87 stations 731 to 791), left and right sides, and corrective actions if necessary. The NPRM results from reports of cracked overwing frames. This extension of the comment period is necessary to ensure that all interested persons have ample opportunity to submit any written relevant data, views, or arguments regarding the NPRM.
Airworthiness Directive; Lockheed Model 382, 382B, 382E, 382F, and 382G Series Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all Lockheed Model 382, 382B, 382E, 382F, and 382G series airplanes. This proposed AD would require revising the FAA-approved maintenance inspection program to include inspections that will give no less than the required damage to tolerance rating for each structural significant item (SSI), doing repetitive inspections to detect cracks of all SSIs, and repairing cracked structure. This proposed AD results from a report of incidents involving fatigue cracking and corrosion in transport category airplanes that are approaching or have exceeded their design service objective. We are proposing this AD to maintain the continued structural integrity of the entire fleet of Model 382, 382B, 382E, 382F, and 382G series airplanes.
Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Supplemental Environmental Impact Statement: Shelby Avenue/Demonbreun Street (Gateway Boulevard) Corridor, Davidson County, TN
The Federal Highway Administration (FHWA) is issuing this notice to advise the public of its intent to prepare a Supplemental Environmental Impact Statement in cooperation with the Tennessee Department of Transportation (TDOT) and the Metropolitan Government of Nashville and Davidson County for the Shelby Avenue/Demonbreun Street (Gateway Boulevard) Corridor in Davidson County, Tennessee.
Solicitation of Applications for Funding of Congestion-Reduction Demonstration Initiatives
This Notice solicits proposals to enter into certain agreements with the U.S. Department of Transportation (the ``Department''). Through these agreements, the Department intends to support congestion pricing along with complementary transportation solutions proposed by jurisdictions designated as recipients of Federal assistance in accordance with this Notice (each, a ``qualified jurisdiction''). Funds made available by the Department to qualified jurisdictions may include such sums as may be available for obligation in the Department's discretion during Fiscal Year 2008, including funds designated by law to support the Department's Congestion Initiative, as proposed in the President's Fiscal Year 2008 Budget. \1\
Production and Airworthiness Approvals, Part Marking, and Miscellaneous Proposals
The FAA is amending its requirements to allow the issuance of export airworthiness approvals for Class II and III products located at facilities outside the United States. The FAA proposed this change in a Notice of Proposed Rulemaking (NPRM) issued on October 5, 2006. That NPRM proposed comprehensive changes to 14 CFR part 21 to standardize production and airworthiness requirements for production approval holders. This final rule expedites the promulgation of a simple and uncontroversial portion of that rulemaking. The FAA intends to issue a separate final rule on other proposals in that NPRM.
Airworthiness Directives; Boeing Model 737-100, -200, -200C, -300, -400, and -500 Series Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Boeing Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This proposed AD would require various repetitive inspections for cracking of the upper frame to side frame splice of the fuselage, and other specified and corrective actions if necessary. This proposed AD also provides for an optional preventive modification, which would terminate the repetitive inspections. This proposed AD results from a report that the upper frame of the fuselage was severed between stringers S-13L and S-14L at station 747, and the adjacent frame at station 767 had a 1.3-inch-long crack at the same stringer location. We are proposing this AD to detect and correct fatigue cracking of the upper frame to side frame splice of the fuselage, which could result in reduced structural integrity of the frame and adjacent lap joint. This reduced structural integrity can increase loading in the fuselage skin, which will accelerate skin crack growth and result in decompression of the airplane.
Airworthiness Directives; Bombardier Model DHC-8-400 Series Airplanes
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Airworthiness Directives; Dassault Model Fan Jet Falcon, Fan Jet Falcon Series C, D, E, F, and G Airplanes; Model Mystere-Falcon 200 Airplanes; and Model Mystere-Falcon 20-C5, 20-D5, 20-E5, and 20-F5 Airplanes
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Airworthiness Directives; McDonnell Douglas Model DC-10-10, DC-10-10F, DC-10-15, DC-10-30, DC-10-30F (KC-10A and KDC-10), DC-10-40, DC-10-40F, MD-10-10F, and MD-10-30F Airplanes
The FAA proposes to revise an existing airworthiness directive (AD) that applies to certain McDonnell Douglas Model DC-10-10, DC-10- 10F, DC-10-15, DC-10-30, DC-10-30F (KC-10A and KDC-10), DC-10-40, and DC-10-40F airplanes. The existing AD currently requires installing or replacing with improved parts, as applicable, the bonding straps between the metallic frame of the fillet and the wing leading edge ribs, on both the left and right sides of the airplane. This proposed AD would revise the applicability to clarify the identity of the affected airplanes. This proposed AD results from fuel system reviews conducted by the manufacturer. We are proposing this AD to reduce the potential of ignition sources inside fuel tanks in the event of a severe lightning strike, which, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane.
Airworthiness Directives; Airbus Model A330 Airplanes
The FAA is correcting a typographical error in an existing airworthiness directive (AD) that was published in the Federal Register on October 24, 2007 (72 FR 60238). The error resulted in an inadvertent omission of the deadline for submitting comments. This AD applies to all Airbus Model A330 airplanes. This AD requires revising the Procedures and Emergency sections of the Airbus A330 Airplane Flight Manual.
Requested Administrative Waiver of the Coastwise Trade Laws
As authorized by Pub. L. 105-383 and Pub. L. 107-295, the Secretary of Transportation, as represented by the Maritime Administration (MARAD), is authorized to grant waivers of the U.S.- build requirement of the coastwise laws under certain circumstances. A request for such a waiver has been received by MARAD. The vessel, and a brief description of the proposed service, is listed below. The complete application is given in DOT docket MARAD-2007-0008 at https://www.regulations.gov. Interested parties may comment on the effect this action may have on U.S. vessel builders or businesses in the U.S. that use U.S.-flag vessels. If MARAD determines, in accordance with Pub. L. 105-383 and MARAD's regulations at 46 CFR Part 388 (68 FR 23084; April 30, 2003), that the issuance of the waiver will have an unduly adverse effect on a U.S.-vessel builder or a business that uses U.S.-flag vessels in that business, a waiver will not be granted. Comments should refer to the docket number of this notice and the vessel name in order for MARAD to properly consider the comments. Comments should also state the commenter's interest in the waiver application, and address the waiver criteria given in Sec. 388.4 of MARAD's regulations at 46 CFR Part 388.
Airworthiness Directives; Boeing Model 707 Airplanes and Model 720 and 720B Series Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Boeing Model 707 airplanes and Model 720 and 720B series airplanes. This AD requires accomplishing an airplane survey to define the configuration of certain system installations, and repair of any discrepancy found. This AD also requires modifying the fuel system by installing lightning protection for the fuel quantity indication system (FQIS), ground fault relays for the fuel boost pumps, and additional power relays for the center tank fuel pumps and uncommanded on- indication lights at the flight engineer's panel. This AD results from fuel system reviews conducted by the manufacturer. We are issuing this AD to prevent certain failures of the fuel pumps or FQIS, which could result in a potential ignition source inside the fuel tank, which, in combination with flammable fuel vapors, could result in a fuel tank explosion and consequent loss of the airplane.
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