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.