60-18-01: Nose Gear Retraction Jack

60-18-01 VICKERS: Amdt. 196 Part 507 Federal Register August 23, 1960. Applies to All Viscount 745D and 810 Series Aircraft. Compliance required as indicated. (It will be necessary for operators to maintain a record of flights to ascertain compliance with this AD. If past records are unavailable, the number of flights prior to this AD may be estimated.) As a result of failures of the trunnion attaching the nose gear retraction jack to the oleo leg, it is necessary to limit the time in service of the various parts forming the attachments of the retraction jack. The following parts must be replaced upon accumulating the specified total time in service: Retirement Time Part 745D aircraft flights 810 Series aircraft flights Trunnion P/N 60925-525 300 * Trunnion P/N 70126-97 20,000 20,000 Trunnion P/N 70126-651 15,000 15,000 Trunnion P/N 70126-661 20,000 20,000 Trunnion P/N 74426-25 300 300 Pin P/N 60926-529 4,000 4,000 Pin P/N 70026-25 20,000 20,000 Pin P/N 70126-659 20,000 20,000 Attachment Bolt P/N 70126-137 1,000 * Attachment Bolt P/N 70126-187 20,000 20,000 Attachment Bolt P/N 74426-23 20,000 20,000 Cylinder P/N 70026-1 30,000 * Cylinder P/N 70726-41 30,000 30,000 Ram P/N 70026-5 30,000 30,000 Fork End P/N 70026-7 20,000 20,000 End Nut P/N 70026-9 20,000 20,000 * Not applicable. (Vickers-Armstrongs Co. PTL 161 Issues 5 and 6 (for 700 Series) and PTL 22 Issues 5 and 6 (for 800/810 Series) cover this subject.) This supersedes AD 58-09-04. This amendment shall become effective 30 days after date of its publication in the Federal Register. Revised November 8, 1960.