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

February 4

Fokker design F.28 Mark 0070 and 0100 Series: NPRM propos AD to require installation of modern improved bonding jumpers on the horizontal stabilizer. The actions are intended to make secure adequate electrical bonding between the horizontal and vertical stabilizers. Effective: March 6 Docket No. 99-NM-369-AD. Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

Boeing design 767 Series: NPRM, proposed AD to require modification of the canted press deck drain system in the wheel well of the main landing gear (MLG) Actions are intended to obstruct such ice accumulation. Comments fit March 20. Docket No. 99-NM-374-AD. Contact: James G Rehrl 425/227-2783; fax 425/227-1181

February 7

Boeing standard 747-100 and -200: AD, final conduct requires repetitive inspections of the upper and lower chords of the wing head spar for cracks, and corrective action, if necessary. The actions are intended to expose and correct fatigue cracking of the upper and lower chords of the wing front rank spar. Effective March 13. Docket No. 99-NM-88-AD; Amendment 39-11558; AD 2000-03-01 Contact: Tamara L Anderson, 425/227-2771; fax 425/227-1181

Boeing type 747 Series: AD, final government requires a one-time inspection to determine whether latch pins upon the lower lobe and main ornament side cargo doors are installed backward, and corrective actions, if necessary. The actions are intended to obstruct improper latching of latch pins and the mating latch cam onward the cargo door. Effective March 13 Docket No. 99-NM-41-AD; Amendment 39-11555; AD 2000-02-37 Contact: Julie Alger, 425/227-2779; fax 425/227-1181

Boeing prototype 747-400 Series With GE CF6-80C2 Engines: AD, final conduct requires various inspections and functional touchstones to detect discrepancies of the thrust reverser sway and indication system, and correction of any discrepancy place Actions are intended to make secure the integrity of the fail safe features of the thrust reverser scheme by preventing possible failure modifications in the thrust reverser rule system. Effective March 13. Docket No. 98-NM-252-AD; Amendment 39-11551; AD 2000-02-33 Contact: Holly Thorson, 425/227-1357; fax 425/227-1181

Airbus pattern A300 Series: AD, final direction requires either a one-time ultrasonic inspection, or repetitive visual inspections and eventual ultrasonic inspection, to lay open cracking of the longitudinal skin splice above the midpassenger door panels, and corrective actions, if necessary. The actions are intended to lay open and correct cracking of the longitudinal skin splice above the mid-passenger door panels. Effective February 22 Docket No. 2000-NM-16-AD; Amendment 39-11557; AD 2000-02-39 Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

February 8

Fokker mould F.28 Mark 1000, 2000, 3000 and 4000: NPRM propos AD to require a one-time review of the maintenance records to determine if tripping of the combustible matter boost pump circuit breakers has been recorded, repetitive inspections to ascertain fuel leakage from the firing boost pump wiring conduits, and corrective actions, if necessary. The actions are intended to obstruct the fuel boost pump wiring from chafing. notes by March 9. Docket No. 99-NM-358-AD. Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

February 10

Airbus mould A320: NPRM, proposed AD to add a requirement for repetitive inspections to discover fatigue cracking in certain areas of the rear spar of the wing, and corrective action, if necessary. The actions are intended to descry and correct fatigue cracking. make comments [i]or[/i] remarkss due March 13. Docket No. 98-NM-99-AD. Contact: Norman B Martenson, 425/227-2110; fax 425/227-1149

Boeing prototype 737-200 Series Modified To Supplemental impressed sign Certificate ST00969AT: AD, final method requires removal of the existing pressing necessity floor path lighting system and replacement with an FAA-approved crisis floor path lighting system. Actions are intended to stop such inadequate lighting and cueing. Effective March 16 Docket No. 96-NM-226-AD; Amendment 39-11562; AD 2000-03-05 Contact: Eugene Evans, 770/703-6081; fax 770/703-6097

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