47-10-02 LOCKHEED: (Was Mandatory Note 1 of AD-763-3). Applies Only to Model 49 Serial Numbers 2021 to 2054, Inclusive.
Compliance required prior to March 1, 1947.
Install an AN 3161-P15 (or equivalent) non-trip-free circuit breaker in the elevator tab control circuit. The breaker is to be located in the pilots' control stand, with access through a plate immediately forward of the control quadrant. Minor wiring changes to connect the circuit breaker are also necessary. (LAC Service Bulletin 049/SB-4 covers this same subject.)