67-03-04 HOWARD AND LOCKHEED: Amdt. 39-342 Part 39 Federal Register January 20, 1967. Applies to All Howard Model 500 Series Airplanes, and to Lockheed Model PV-1 Series Airplanes, Serial Numbers 5272, 5373, 5500, 5554, 5560, and 6642.
Compliance required as indicated.
To detect cracks in the flap cable support clamps, P/N 5-104268-1, unless already accomplished, within the next 10 hours' time in service after the effective date of this AD, and thereafter at intervals not to exceed 100 hours' time in service from the date of the last inspection, remove the flap actuator clamp, P/N 5-104268-1, attached to the flap actuating cylinder, and inspect for cracks in the bend radius using dye penetrant or FAA-approved equivalent. Before further flight replace any clamp found cracked in accordance with Dee Howard Company, San Antonio, Texas, Drawing Number 13-0766-013-3, or later FAA Engineering and Manufacturing Branch approved equivalent. The inspection provisions of this AD may bediscontinued when P/N 5-104268-1 is replaced in accordance with this AD.
This directive effective January 25, 1967.