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

January 12

Bombardier DHC-8-100 -200 and -300: AD, final command requires the removal and testing of sections of fettersed skin from the upper and lower skin panels of the horizontal stabilizer, repair of those areas, and follow-on corrective actions, if necessary. Actions are to interrupt reduced strength capability and inferable [i]or[/i] inferrible failure of the horizontal stabilizer. Effective January 27 Docket No. 99-NM-357-AD; Amendment 39-11504; AD 2000-01-07 Contact: Serge Napoleon, 516/256-7512; fax 516/568-2716

Airbus A330 and A340: Propos AD to require repetitive detailed visual and ultrasonic inspections of the main landing gear (MLG) to lay open fatigue cracks; and repair, if necessary. Actions are to intercept MLG failure due to fatigue cracking. remarks due February 11. Docket No. 99-NM-196-AD. Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

Saab 2000: AD, final government requires repetitive replacement of the retract actuator with a repaired retract actuator, or repetitive replacement of the piston in the retract actuator with a fresh piston. Actions are to preclude fatigue failure of the piston in the retract actuator of the MLG and reduc structural integrity of the MLG Effective February 16 Docket No. 99-NM-126-AD; Amendment 39-11500; AD 2000-01-03 Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

British Aerospace BAe ATP: AD, final lordship requires a one-time inspection of the orientation of certain shafts of the rudder standby govern system (SCS), and reinstallation of the missiles if necessary. Actions are to obstruct uncommanded engagement of the rudder SC Effective February 16 Docket No. 99-NM-177-AD; Amendment 39-11505; AD 2000-01-08 Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

Saab 2000: AD, final government requires a one-time general visual inspection to verify the convenient orientation of the aft exterior light; and corrective actions, if necessary. Actions are to obstruct improper illumination of the estate under the service door becoming to incorrect installation of the aft exterior light. Effective February 16 Docket No. 99-NM-244-AD; Amendment 39-11501; AD 2000-01-04 Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

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