Federal Aviation Administration March 12, 2014 – Federal Register Recent Federal Regulation Documents
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Airworthiness Directives; Airbus Airplanes
We propose to supersede airworthiness directive (AD) 95-24-04, that applies to all Airbus Model A300 series airplanes; Model A300 B4- 600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes). AD 95-24-04 requires repetitive inspections to detect cracks at the aft spar web of the wings, and repair if necessary. Since we issued AD 95-24-04, we have determined that the inspection threshold and interval must be reduced to allow timely detection of cracks and accomplishment of applicable repairs, because of cracking in the rear spar web of the wings between certain ribs due to fatigue-related high shear stress. This proposed AD would reduce the inspection compliance time and interval, and would expand the applicability to airplanes on which a certain Airbus modification has been embodied in production and to airplanes on which a certain Airbus service bulletin has been embodied in service. We are proposing this AD to detect and correct fatigue-related cracking, which could result in reduced structural integrity of the wing.
Airworthiness Directives; Airbus Airplanes
We propose to supersede Airworthiness Directive (AD) 2008-17- 02, AD 2012-08-03, and AD 2012-15-14, for certain Airbus Model A300 B4- 2C, B4-103, and B4-203 airplanes; Model A300 B4-600, B4-600R, and F4- 600R series airplanes, and Model C4-605R Variant F airplanes (collectively called A300-600 series airplanes); and Model A310 series airplanes. AD 2008-17-02, AD 2012-08-03, and AD 2012-15-14 currently require repetitive inspections of the forward lugs of the aft bearing at rib 5 of the main landing gear (MLG) on the left-hand (LH) and right-hand (RH) wings, and repair if necessary; and installation of new bushes with increased interference fit in the forward lug of the aft bearing at rib 5 of the MLG on the LH and RH wings. Since we issued AD 2008-17-02, AD 2012-08-03, and AD 2012-15-14, we have received two reports of ruptured MLG rib 5 forward lugs that had been modified (bushes with increased interference fit). This proposed AD would add airplanes to the applicability; and would add, for certain airplanes, repetitive inspections of the MLG rib 5 aft bearing forward lugs, and repair if necessary. We are proposing this AD to detect and correct cracking of the forward lugs of the aft bearing at rib 5 of the MLG on the LH and RH wings, which could affect the structural integrity of the MLG attachment, resulting in possible MLG collapse during landing or rollout.
Airworthiness Directives; Airbus Airplanes
We propose to supersede airworthiness directive (AD) 2009-20- 05 that applies to certain Model A318, A319, A320, and A321 series airplanes. AD 2009-20-05 requires one-time inspections for cracking, damage, correct installation, and correct adjustment of the main landing gear (MLG) door hinge and actuator fittings on the keel beam, and corrective actions if necessary. Since we issued AD 2009-20-05, we have received reports of cracks on fittings that had successfully passed the required inspections. This proposed AD would expand the applicability, reduce the compliance time, and require repetitive inspections instead of the one-time inspection. This proposed AD would also require revising the maintenance or inspection program to remove a certain airworthiness limitations item (ALI) task. We are proposing this AD to detect and correct such cracking, which could lead to in- flight detachment of an MLG door, possibly resulting in injury to persons on the ground and/or damage to the airplane.
Airworthiness Directives; The Boeing Company Airplanes
We propose to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 727-100 series airplanes. This proposed AD is intended to complete certain mandated programs intended to support the airplane reaching its limit of validity (LOV) of the engineering data that support the established structural maintenance program. For certain airplanes, this proposed AD would require repetitive inspections for cracking in stringers or frames until modification, and repair if necessary. We are proposing this AD to detect and correct cracking in stringers or frames originating at or near stringer-to-frame attachment fastener holes, which could result in reduced structural integrity of the airplane, and decompression of the cabin.
Airworthiness Directives; The Boeing Company Airplanes
We are revising an earlier proposed airworthiness directive (AD) for certain The Boeing Company Model 737-300, -400, -500, -600, - 700, -700C, -800, -900, and -900ER series airplanes. The NPRM proposed to require installing a new tail strobe light housing and a new disconnect bracket, and changing the wire bundles. The NPRM was prompted by a review of the tail strobe light installation, which revealed that the tail strobe light is not electrically bonded to primary structure of the airplane. This action revises the NPRM by adding, for certain airplanes, an inspection to determine if sealant is applied and corrective actions if necessary. We are proposing this supplemental NPRM (SNPRM) to prevent, in case of a direct lightning strike to the tail strobe light, damage to the operation of other critical airplane systems due to electromagnetic coupling and large transient voltages, and damage to the control mechanisms or surfaces due to a fire, which could result in loss of control of the airplane. Since these actions impose an additional burden over that proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.
Airworthiness Directives; Airbus Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Airbus Model A330-200 and -300 series airplanes, and Model A340-200 and -300 series airplanes. This proposed AD was prompted by a report of contact between certain electrical harnesses and the hatrack rod that could cause chafing between the harnesses and surrounding structure. This proposed AD would require modifying the routing of certain electrical harnesses. We are proposing this AD to prevent chafing and possible short circuit of two oxygen chemical generator containers in different wiring routes, which could result in malfunction of the electrical opening of all the containers connected to these routes. Such conditions, during a sudden depressurization event, could result in lack of oxygen and consequent injuries to airplane occupants.
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.
Proposed Amendment and Revocation of Jet Routes; Northeast United States
This action proposes to modify segments of jet routes J-64 and J-80, and remove jet route J-77, in the northeastern United States. The FAA is proposing this action because segments of these routes are receiving minimal to no usage due to other more efficient routes in the area. This action would eliminate unneeded route segments, reduce chart clutter and improve chart readability.
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; Continental Motors, Inc. Reciprocating Engines; Initial Regulatory Flexibility Analysis
This document announces the availability of and request for comments on the IRFA for the previously published proposed airworthiness directive (AD). That AD applied to certain Airmotive Engineering Corp. replacement parts manufacturer approval cylinder assemblies marketed by Engine Components International Division, used on the Continental Motors, Inc. (CMI) models 520 and 550 reciprocating engines, and all other engine models approved for the use of CMI models 520 and 550 cylinder assemblies such as the CMI model 470 when modified by supplemental type certificate.
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