71-20-07 BRITISH AIRCRAFT CORPORATION: Amendment 39-1298. Applies to British Aircraft Corporation Model BAC 1-11 200 and 400 series airplanes.
Compliance is required within the next 2,000 hours' time in service after the effective date of this AD, unless already accomplished.
To ensure that the pilot is warned when the landing gear selector lever is not fully engaged in a gated position, modify the selector lever assembly by incorporating a microswitch wired into the existing landing gear indication circuit in accordance with British Aircraft Corporation Model BAC 1-11 Service Bulletin No. 32-PM 4538, dated July 6, 1970, or an FAA- approved equivalent.
This amendment becomes effective October 22, 1971.