AD 76-05-10

76-05-10 GENERAL ELECTRIC: Amendment 39-2549. Applies to Models CF6-6D, CF6-6D1; CF6-50A, CF6-50C, CF6-50D, CF6-50E, CF6-50E1 and CF6-50H Turbofan Engines. Compliance required as indicated.

To insure that the continuing airworthiness of the engine is not compromised, accomplish the following:

(a) Within 30 days after the effective date of this Airworthiness Directive, unless already accomplished, inspect high pressure compressor splitlines for missing bolts or nuts. This applies to left hand and right hand horizontal splitlines of forward and aft case and to the forward case front circumferential flange.

(b) For any position where either nut or nut and bolt are missing, install new nut and bolt. Replace the nut and bolt on each side of this position. Use FAA approved nuts and bolts, and torque in accordance with standard procedures.

(c) Report in writing any instances of missing bolt or nut and the time on the engine to Chief, Engineering and Manufacturing Branch, FAA Great Lakes Region as soon as possible. (Reporting approved by the Office of Management and Budget under OMB No. 04-R0174).

General Electric All Operator Wire #76-12 dated February 24, 1976 also covers this subject.

This amendment becomes effective March 24, 1976.