65-21-02\tBOEING: Amdt. 39-130 Part 39 Federal Register September 2, 1965. Applies to Models 707B, 707C, and 720B Series Airplanes.\n \n\tCompliance required within the next 1,200 hours' time in service after the effective date of this AD unless already accomplished. \n\n\tThe forward thrust reverser indicating light switch striker bracket may be distorted by reverser actuation impact loads resulting in false indications of reverser operation. To correct this condition, accomplish the following:\n\n\t(a)\tReplace existing sheet metal striker brackets, P/N 66-14396-1, with cast striker bracket, P/N 69-31381-1 or equivalent in accordance with Boeing Service Bulletin 2039 dated December 21, 1964 or later FAA-approved revision. \n\n\t(b)\tApproval of any equivalent means shall be processed through the Aircraft Engineering Division, FAA Western Region, Los Angeles, California. \n\n\tNOTE. - Western Airlines EA 720-20165, dated September 6, 1964, is an equivalent that has been approved by the Aircraft Engineering Division, FAA Western Region. \n\n\tThis directive effective October 2, 1965.