91-23-13 GENERAL ELECTRIC COMPANY: Amendment No. 39-8082. Docket No. 91- ANE-38.
Applicability: General Electric Company (GE) CF6-50 series and CF6-80A series turbofan engines, installed on, but not limited to, Airbus A300 and A310, Boeing 747 and 767, and McDonnell Douglas DC10-15 and DC10-30 aircraft.
Compliance: Required as indicated, unless previously accomplished. To prevent an uncontained engine failure and damage to the aircraft, accomplish the following:
(a) Within 30 days after the effective date of this AD, remove from service stage 1 fan disks identified by the following part number (P/N) and serial number (S/N):
ENGINE MODEL
PART NUMBER
SERIAL NUMBER
CF6-50
9253M66P02
MPON2919
9253M66P02
MPON2920
9253M66P02
MPON2921
9253M66P02
MPON2922
CF6-80A
9319M28P03
MPON4290
1327M57P02
MPON4291
9319M28P02
MPON4292
9319M28P03
MPON7740
9319M28P03
MPON7742
9319M28P03
MPON8452
9319M28P03
MPON8453
Prior to returning affected engines to service replace with a serviceable part.
(b) Aircraft may be ferried in accordance with the provisions of FAR 21.197 and 21.199 to a base where the AD can be accomplished.
(c) Upon submission of substantiating data by an owner or operator through an FAA Inspector (maintenance, avionics, or operations, as appropriate), an alternate method of compliance with the requirements of this AD or adjustments to the compliance times specified in this AD may be approved by the Manager, Engine Certification Office, Engine and Propeller Directorate, Aircraft Certification Service, 12 New England Executive Park, Burlington, Massachusetts 01803-5299.
This amendment (39-8082, AD 91-23-13) becomes effective on November 22, 1991.