AD 60-23-02

60-23-02 CURTISS-WRIGHT: Amdt. 217 Part 507 Federal Register November 4, 1960. Applies to all C-46 Series aircraft.

Compliance required as indicated.

As a result of recent inspections of C-46 aircraft, unapproved inspection openings approximately 3 inches by 5 inches have been found in the wing rear spar web at the inboard flap actuator.

(a) Prior to further flight visually inspect rear face of rear spar web at flap actuators by extending flap.

(b) Cargo aircraft found to have unapproved openings in the rear spar web must have an approved repair accomplished within not more than 25 flight hours. Pending accomplishment of an approved repair the inspection in paragraph (a) must be accomplished after each landing and further flight not authorized if cracks or other damage are found.

(c) Passenger aircraft found to have unapproved openings in the rear spar web must have an approved repair accomplished before next flight with passengers. Special flight permits maybe obtained for the purpose of permitting aircraft to be ferried to a base where repairs can be made.

This airworthiness directive sent by telegram to all known air carrier operators of Curtiss- Wright C-46 Series aircraft on October 21, 1960. Effective on date of publication in the Federal Register to all persons not receiving telegram of October 21, 1960.