AD 67-15-01

67-15-01 BRITISH AIRCRAFT: Amdt 39-401 Part 39 Federal Register April 18, 1967. Applies to Model BAC 1-11 200 and 400 Series Airplanes.

Compliance required as indicated, unless already accomplished.

To prevent failure of the link pin, P/N AB 21-6503, installed between the stabilizer pivot lower link assembly and the fin, accomplish the following:

(a) Within the next 200 landings for airplanes with 800 or more landings, and before the expiration of 1,000 landings for airplanes with less than 800 landings, remove P/N AB 21- 6503 from service, and replace with a new P/N AB 21-6679.

(b) After each installation of a new P/N AB 21-6679, conduct a check of the adjustment and torque loading of the horizontal stabilizer side load transfer mechanism and stabilizer link assembly center pivot in accordance with BAC 1-11 Alert Service Bulletin 55-A- PM 2706, Issue 1, dated November 16, 1966, or later ARB-approved issue.

(c) For the purpose of complying with this AD, subjectto acceptance by the assigned FAA maintenance inspector, the number of landings may be determined by dividing each airplane's hours' time in service by the operator's fleet average time from takeoff to landing for the airplane type.

This directive effective May 18, 1967.