67-10-02 BRITISH AIRCRAFT: Amdt. 39-377 Part 39 Federal Register March 30, 1967. Applies to Model BAC 1-11 Series Airplanes.
Compliance required as indicated.
To prevent the loss of electrical power in the event of a failure in the d.c. essential bus bar, unless already accomplished, within the next 1,000 hours' time in service after the effective date of this AD, install an additional circuit breaker Klixon P/N 7274/11/2 and local internal cables in accordance with British Aircraft Corporation Service Bulletin No. 24-PM 2334, or later ARB-approved issue or FAA-approved equivalent.
This directive effective April 28, 1967.