73-11-05: Main Landing Gear

73-11-05 ISRAELI AIRCRAFT INDUSTRIES: Amdt. 39-1645. Applies to Model 1121 Series airplanes, S/N's 3 through 150, excluding S/N 107. Compliance required prior to next takeoff. To prevent the possible failure of a main landing gear (a) Visually inspect the trunnion bosses of the main landing gear upper body, P/N ES12845, for cracks using a mirror and flashlight. (b) If a crack is found in a main landing gear, before further flight, except that the airplane may be flown in accordance with FAR 21.197 to a base where the repair can be performed, replace that main landing gear with a serviceable part of the same part number or an FAA-approved equivalent, and report the finding of the crack on FAA Form 8330-2 to the Chief, Aircraft Certification Staff, Federal Aviation Administration (AEU-100), c/o U. S. Embassy, APO New York, New York 09667. (Reporting approved by the Bureau of the Budget under BOB No. 04-R0174). NOTE: During the inspection required by paragraph(a) particular attention should be directed to the top of the trunnion boss along the forging flash or seam extending from the bushing face. This amendment is effective upon publication in the Federal Register as to all persons except those persons to whom it was made immediately effective upon receipt of the airmail letter dated April 27, 1973, which contained this amendment.