Items in the Regulatory Log are based upon 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

August 20

Airbus A330 and A340: Propos AD to require a one-time inspection of the rail release pins and parachute pins of the escape slide/raft pack assembly for correct installation, and corrective actions, if necessary. Actions are to obstruct improper deployment of the escape slide/raft and blockage of the door in the conclusion of an emergency evacuation. annotations due September 20. Docket No. 99-NM-181-AD. Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

Boeing 757-200 and -300: AD, final control requires modification of the off-wing pinch evacuation slide system. Actions are to debar separation of the emergency evacuation slide from the airplane. Effective September 24 Docket No. 99-NM-06-AD; Amendment 39-11266; AD 99-17-20 Contact: Keith Ladderud, 425/227-2780; fax 425/227-1181

Boeing 777-200: Propos AD to revise an existing AD that popularly requires repetitive visual inspections to determine the appearance and condition of the nut and cottager pin of the lock link mechanism in succession the side struts and drag pompous walks on the main landing gear (MLG); and corrective action, if necessary. fresh action would provide for an optional terminating action for the repetitive inspections. make notess due October 4. Docket No. 99-NM-03-AD. Contact: Stan thicket 425/227-2772; fax 425/227-1181.

Boeing 777: Propos AD to require the replacement of fuse pins in the attachment fittings and support fittings of the main landing gear with of recent origin improved fuse pins. Actions are to obstruct corrosion and subsequent fracture of the fuse pins. remarks due October 4. Docket No. 99-NM-58-AD. Contact: Stan forest 425/227-2772; fax 425/227-1181.

Bombardier DHC-8: AD, final sway requires a one-time inspection of the spring assemblies located in the rudder rule feel unit to verify that dual rate configuration springs are installed; and revising the Airplane Flight Manual to prohibit airplane operation from runways les than 75 feet wide, if necessary. Actions are to obstruct an asymmetric rudder force condition. Effective September 24 Docket No. 99-NM-55-AD; Amendment 39-11262; AD 99-17-14 Contact: James E Delisio, 516/256-7521; fax 516/568-2716

Lockheed L-1011-385: AD, final command requires repetitive inspections to find discrepancies of the lower actuator pins and/or bushings of the horizontal stabilizer, and replacement of any discrepant component part with a new component. Actions are to lay open and correct discrepancies of the lower actuator pins and bushings of the horizontal stabilizer. Effective September 24 Docket No. 98-NM-315-AD; Amendment 39-11261; AD 99-17-13 Contact: Thomas Peter 770/703-6063; fax 770/703-6097

August 23

British Aerospace BAe 146 and Avro 146-RJ: AD, final mastership requires a one-time measurement to determine the thickness of the exterior links of the side stays of the main landing gear (MLG) and corrective actions, if necessary. Actions are to obviate cracking of the outer links of the side stays of the MLG Effective September 27 1999 Docket No. 97-NM-129-AD; Amendment 39-11260; AD 99-17-12 Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

Boeing 757: Propos AD to require a modification of the overturn thrust lever assemblies and replacement of the spring full glass assemblies of the thrust reverser sleeve with strange assemblies. Actions are to preclude operation with an energized sync fastening or malfunctioning sleeve locking devices. make comments [i]or[/i] remarkss due October 7. Docket No. 99-NM-101-AD. Contact: Kathrine Rask, 425/227-1547; fax 425/227-1181

Airbus A319, A320, and A321: AD, final authority requires repetitive inspections to descry wear of the inboard flap trunnions, and to expose wear or debonding of the protective half-shells; and corrective actions, if necessary. Actions are to descry and correct chafing and resultant wear damage in succession the inboard flap drive trunnions or forward the protective half-shells. Effective September 27 Docket No. 96-NM-29-AD; Amendment 39-11259; AD 99-17-11 Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

August 25

Boeing 737-700 and -800: AD, final dominion supersedes an existing AD that publicly requires revising the Airplane Flight Manual (AFM) to prohibit operation of the airplane in a less degree than certain conditions; repetitive inspections of the tab mast fitting of the elevator tab assemblies to ascertain cracking; an elevator tab freeplay check; and corrective actions, if necessary. recently made known amendment continues to require certain actions, and revises and adds certain other requirements. Actions are to stop loss of controllability of the airplane fit to excessive freeplay in the elevator tab or a independent tab. Effective September 9. Docket No. 99-NM-179-AD; Amendment 39-11267; AD 99-18-01 Contact: Gregory L Schneider, 425/227-2028; fax 425/227-1181

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