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AD 80-03-06

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Airworthiness directive · Stage 2 HPT Disks · General Electric CF6-6D, CF6-6D1, CF6-6D1A and 2 more

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AboutSource files 1
Effective
February 8, 1980
Models
CF6-6D, CF6-6D1, CF6-6D1A, CF6-6K, CF6-6K2
Data sheet
TCDSE23EA
Registered aircraft
11 matched by model
Product
Engine
Amendment
39-3683

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.

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The airworthiness directive

80-03-06 GENERAL ELECTRIC: Amendment 39-3683. Applies to General Electric CF6-6 series engines, Stage 2 HPT disks, Part Numbers 9083M48P01, 9084M52P02, 9084M52P05, 9137M15P01, and 9137M15P02. Compliance is required as indicated. To preclude disk failure due to fatigue, these disks are to be removed from service as follows:

(a) All disks, except those noted in (c) below, which have more than 8400 cycles on the effective date of this AD are to be removed from service within 100 cycles.

(b) All disks, except those noted in (c) below, which have less than 8400 cycles are to be removed before they accrue 8500 cycles.

(c) Those disks, P/N 9137M15P02, with Serial Numbers MP036073, MP030786, MP030797, MP035005, and RPO24722 because of their refurbishment schedule shall be removed from service before they accrue 8800 cycles.

(d) Other disks than those identified in (c) above may be allowed additional cycles on an individual basis when approved by the Chief, Engineering and Manufacturing Branch, FAA, Great Lakes Region.

CF6-6 Service Bulletin 72-761 dated November 28, 1979 also applies to this subject.

This amendment becomes effective on February 8, 1980.

Affected TCDS · 1

The type certificate data sheets for the models this AD names, matched by model and maker.

TCDS E23EAGeneral Electric CompanyNames 5 of 18 models: CF6-6D1A, CF6-6D, CF6-6D1 and 2 more

Registered aircraft · 11

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker
  • Boeing6
  • Mcdonnell Douglas3
  • Airbus Industrie2
By year built
19711999

By model

Aircraft

N169DZDelta Air Lines Inc · Atlanta, GABuilt 1998 · S/N 29689N233AZCargo Aircraft Management Inc · Wilmington, OHBuilt 1998 · S/N 29430N257AZCargo Aircraft Management Inc · Wilmington, OHBuilt 1999 · S/N 29605N321CMCargo Aircraft Management Inc · Wilmington, OHBuilt 1998 · S/N 29431N367FEFederal Express Corporation · Memphis, TNBuilt 1971 · S/N 46605N369FEFederal Express Corporation · Memphis, TNBuilt 1972 · S/N 46607N476MCAtlas Air Inc · Purchase, NYBuilt 1999 · S/N 29256N491AZCargo Aircraft Management Inc · Wilmington, OHBuilt 1998 · S/N 29429N599FEFederal Express Corp · Memphis, TNBuilt 1993 · S/N 48598N656FEFederal Express Corp · Memphis, TNBuilt 1995 · S/N 745N657FEFederal Express Corp · Memphis, TNBuilt 1995 · S/N 748