Federal Aviation Administration February 8, 2006 – Federal Register Recent Federal Regulation Documents
Results 1 - 12 of 12
Airworthiness Directives; RECARO Aircraft Seating GmbH & Co. (RECARO) Model 3410 Seats
The FAA proposes to adopt a new airworthiness directive (AD) for certain RECARO Model 3410 302, 303, 306, 307, 314, 316, 317, 791, 792, and 795 series seats. This proposed AD would require replacing the existing attachment bolts for the seat belts with longer attachment bolts. This proposed AD results from a report of short attachment bolts that don't allow enough thread to properly secure the locknuts. We are proposing this AD to prevent a seat belt from detaching due to a loose locknut and attachment bolt, which could result in injury to an occupant during emergency conditions.
Airworthiness Directives; Boeing Model 737 Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all Boeing Model 737 airplanes. This proposed AD would require repetitive measurement of the freeplay of both aileron balance tabs; repetitive lubrication of the aileron balance tab hinge bearings and rod end bearings; and related investigative and corrective actions if necessary. This proposed AD results from reports of freeplay-induced vibration of the aileron balance tab. The potential for vibration of the control surface should be avoided because the point of transition from vibration to divergent flutter is unknown. We are proposing this AD to prevent excessive vibration of the airframe during flight, which could result in loss of control of the airplane.
Airworthiness Directives; Boeing Model 767 Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all Boeing Model 767 airplanes. This proposed AD would require repetitive measurements of the rudder and elevator freeplay, repetitive lubrication of rudder and elevator components, and related investigative/corrective actions if necessary. This proposed AD results from reports of freeplay-induced vibration of the rudder and the elevator. The potential for vibration of the control surface should be avoided because the point of transition from vibration to divergent flutter is unknown. We are proposing this AD to prevent excessive vibration of the airframe during flight, which could result in loss of control of the airplane.
Airworthiness Directives; Aerospatiale Model ATR42 Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all Aerospatiale Model ATR42 airplanes. This proposed AD would require one-time inspections to detect discrepancies (e.g., cracking, loose/sheared fasteners, distortion) of the upper skin and rib feet of the outer wing boxes, and repair if necessary. This proposed AD results from a report of cracking on the upper skin and ribs of the outer wing box on an in-service airplane. We are proposing this AD to detect and correct these discrepancies, which could result in reduced structural integrity of the airplane.
Airworthiness Directives; Bombardier Model DHC-8-400 Series Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Bombardier Model DHC-8-400 series airplanes. This proposed AD would require replacing all domed anchor nuts at all attachment locations of the upper fuel access panels of the center wing in the wet bay location with new nuts. This proposed AD results from reported cases of corroded dome anchor nuts at the attachment locations of the upper surface of the fuel access panel of the center wing. We are proposing this AD to prevent corrosion or perforation of domed anchor nuts, which could result in arcing and ignition of fuel vapor in the center wing fuel tank during a lightning strike and consequent explosion of the fuel tank.
Airworthiness Directives; Bombardier Model DHC-8-102, -103, and -106 Airplanes; and Model DHC-8-200 and -300 Series Airplanes
The FAA proposes to revise an existing airworthiness directive (AD) that applies to certain Bombardier Model DHC-8-102, -103, and -106 airplanes; and Model DHC-8-200 and -300 series airplanes. The existing AD currently requires performing a one-time inspection to detect chafing of electrical wires in the cable trough below the cabin floor; repairing, if necessary; installing additional tie-mounts and tie- wraps; applying sealant to rivet heads; and modifying electrical wires in certain sections. This proposed AD would, for certain airplanes, eliminate the requirement to modify electrical wires in certain sections. This proposed AD results from a report indicating that the modification of electrical wires does not need to be done on certain airplanes subject to the existing AD. We are proposing this AD to prevent chafing of electrical wires, which could result in an uncommanded shutdown of an engine during flight.
Airworthiness Directives; Boeing Model 747-400, 747-400D, and 747-400F Series Airplanes
The FAA proposes to supersede an existing airworthiness directive (AD) that applies to all Boeing Model 747-400, -400D, and - 400F series airplanes. The existing AD currently requires revising the airplane flight manual (AFM) to require the flightcrew to maintain certain minimum fuel levels in the center fuel tanks, and to prohibit the use of the horizontal stabilizer fuel tank. This proposed AD would require installing new integrated display software in the integrated display units and electronic flight instrument system/engine indication and crew alerting system interface units (EIUs) of the flight deck. This proposed AD also would require revising the AFM to include procedures to prevent dry operation of the center wing and horizontal stabilizer fuel tanks; for maintaining minimum fuel levels; and for de- fueling fuel tanks. For certain airplanes, the proposed AD also requires removing G13 pin ground wires of a certain wire integration unit of the EIUs at certain connector locations. This proposed AD results from fuel system reviews conducted by the manufacturer. We are proposing this AD to reduce the potential for ignition sources inside fuel tanks, which, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane.
Airworthiness Directives; Boeing Model 777 Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Boeing Model 777 airplanes. This proposed AD would require repetitive inspections for corrosion or missing corrosion inhibiting compound of the fuselage skin under the forward and aft wing-to-body fairings for certain airplanes, or the fuselage skin under the forward wing-to-body fairings only for other airplanes; and corrective action if necessary. The proposed AD would also provide an optional preventive modification of the wing-to-body fairing panels, which would terminate the repetitive inspections. This proposed AD results from several reports indicating that significant levels of corrosion were found on the external surface of the fuselage skin under the forward and aft wing-to-body fairings. We are proposing this AD to detect and correct corrosion, and prevent subsequent fatigue cracks, on the fuselage skin under the forward and aft wing-to-body fairings, which could result in rapid decompression of the airplane.
Airworthiness Directives; Boeing Model 747-200B, 747-200C, 747-200F, 747-300, 747-400, and 747SP Series Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Boeing Model 747-200B, 747-200C, 747-200F, 747-300, 747- 400, and 747SP series airplanes. This proposed AD would require doing a detailed inspection of the left and right longeron extension fittings, and corrective action if necessary. This proposed AD results from cracking found in the longeron extension fitting at body station 1480 due to accidental damage during production. We are proposing this AD to detect and correct cracking in the longeron extension fitting, which could result in rapid decompression of the airplane and possible in- flight breakup of the airplane fuselage.
Airworthiness Directives; Fokker Model F.28 Mark 0070 and 0100 Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Fokker Model F.28 Mark 0070 and 0100 airplanes. This AD requires modifying the passenger door and installing new placards. This AD results from reports of the airstairs-type passenger door opening during flight. We are issuing this AD to prevent rapid decompression of the airplane, or ejection of a passenger or crew member out the door during flight.
Airworthiness Directives; Hamburger Flugzeugbau GmbH Model HFB 320 HANSA Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Hamburger Flugzeugbau GmbH Model HFB 320 HANSA airplanes. This AD requires revising the Limitations section of the HFB 320 Hansa Airplane Flight Manual to prohibit operation of the airplane past its designed life limit for the primary structure, which is 15,000 flight hours or 15,000 fight cycles, whichever occurs first; and to require contacting the FAA for approval of analysis that the airplane is safe to continue operation beyond the designed life limit. This AD results from a report that all airplanes in operation might have met or exceeded the designed life limit for the primary structure. We are issuing this AD to prevent continued operation of an airplane beyond its designed life limit for the primary structure, which could result in reduced structural integrity of the airplane.
Standard Instrument Approach Procedures, Weather Takeoff Minimums; Miscellaneous Amendments
This amendment establishes, amends, suspends, or revokes Standard Instrument Approach Procedures (SIAPs) and/or Weather Takeoff Minimums 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, addition of new obstacles, or changes in 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.
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