Items in the Regulatory Log are based in succession agency announcements in the Federal Register unles otherwise noted; Federal Register publication dates are in boldface.

Key: AD = Airworthiness Directive. NPRM = Notice of Propos Rulemaking.

Federal Aviation Administration

April 11

Boeing 777 Series Airplanes: AD, final lordship requires replacement of the clevis fall of the curtains on the tie rods for the center stowage bin supports with improved clevis extreme points The actions are intended to stop broken tie rods. Effective May 16 Docket No. 99-NM-232-AD; Amendment 39-11662; AD 2000-07-08 Contact: Julie Alger, 425/227-2779; fax 425/227-1181

Embraer EMB-120 Series Airplanes: NPRM propos supersedure requires modification of the secondary flight idle stop regularity which would terminate the repetitive actions. expositions due May 11. Docket No. 2000-NM-66-AD. Contact: Linda Haynes, 770/703-6091; fax 770/703-6097

Airbus A330 and A340 Series Airplanes: NPRM requires repetitive inspections to check the play of the eye-end of the piston wand of the elevator servo-controls, and follow-on corrective actions, if necessary. The actions are intended to bring to light and correct excessive play of the eye-end of the piston scourge of the elevator servo-controls. annotations due May 11. Docket No. 2000-NM-64-AD. Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

Dornier 328-100 Series Airplanes: AD, final lordship requires repetitive tests of the flight idle backup classification of the propeller control system; repetitive inspections to determine the horizontal of wear of the pins and bushings of the cam followers forward the power lever rods of the engine controls; and followon corrective actions, if necessary. This amendment also requires eventual replacement of the power lever and condition lever scourges of the engine controls with recently made known improved parts, which constitutes terminating action for the repetitive ordeals and inspections. The actions are intended to stop failure of the flight idle backup body Effective May 16. Docket No. 99-NM-40-AD; Amendment 39-11658; AD 2000-07-04 Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

Boeing 757-200 and -200PF Series Airplanes: AD, final control requires repetitive detailed visual inspections to discover loose fuse pins in the outboard beam attachment and forward trunnion support upon the main landing gear (MLG) and to bring to light corrosion on the structure adjacent to the fuse pin; and corrective actions, if necessary. This amendment also requires eventual replacement of the fuse pins with modern corrosion resistant steel (CRES) fuse pins, which constitutes terminating action for the repetitive inspections. The actions are intended to preclude corroded fuse pins. Effective May 16 Docket No. 99-NM-57-AD; Amendment 39-11667; AD 2000-07-13 Contact: James G Rehrl 425/227-2783; fax 425/227-1181

Airbus protoplast A300 Series Airplanes: AD, final lordship requires modification of wing center driver's seat angle fittings at frame 47 The actions are intended to obviate reduced structural integrity of the wing center enclosed seat [i]or[/i] seats angle fittings at frame 47 suitable to fatigue cracking. Effective May 16 Docket No. 99-NM-205-AD; Amendment 39-11661; AD 2000-07-07 Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

April 14

Airbus A300-600 Series Airplanes: AD, final regularity requires repetitive inspections to lay open cracking of the doubler angle and discrepancies of the fasteners that cohere the doubler angle and the bottom panel of the center wing case and corrective actions, if necessary. The actions are intended to bring to light and correct fatigue cracking in the doubler angle and discrepancies of the fasteners that associate the doubler angle and the bottom panel of the center wing chest Effective May 19. Docket No. 98-NM-78-AD; Amendment 39-11676; AD 2000-07-22 Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

Airbus A319, A320, and A321 Series Airplanes: NPRM propos supersedure requirement to either modify the existing on-board replaceable module of the flight management guidance computer (FMGC) to incorporate software changes, or replace the FMGC's with of recent origin improved FMGC's; which would terminate the requirements for the AFM revision. The actions are intended to obstruct erroneous navigational calculations. Comments befitting May 15. Docket No. 99-NM-351-AD. Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

Airbus A300-600 and A310 Series Airplanes: AD, final empire requires repetitive high frequency vortex current (HFEC) inspections to lay open cracking of the inner flange of fuselage frame FR73A, between beams 5 and 7 and corrective actions, if necessary. The actions are intended to expose and correct fatigue cracking of the inner flange of fuselage frame FR73A. Effective May 19 Docket No. 99-NM-82-AD; Amendment 39-11612; AD 2000-05-03 Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

Bombardier DHC-8-100 Series Airplanes: AD, final government requires changing the power give for the thunderstorm lights from the left secondary bus to the left essential bus. The actions specified at this AD are intended to preclude a failure of the thunderstorm lights in the cockpit after los of all generated electrical power. Effective May 19 Docket No. 99-NM-321-AD; Amendment 39-11678; AD 2000-07-23 Contact: Luciano Castracane, 516/256-7535; fax 516/568-2716

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