# Proposed AD 2002-NE-24-AD: General Electric Company CF6-6 Series Turbofan Engines

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2003-10-01
- Products: General Electric
- Product type: Engine
- Action: Notice of proposed rulemaking (NPRM).
- Published: January 8, 2003, 68 FR 1016
- Comments due: March 10, 2003
- Became: [AD 2003-10-01](https://openairdocs.org/ad/2003-10-01)
- Docket: 2002-NE-24-AD
- FR document: 03-330
- Official PDF: https://openairdocs.org/files/sha256/a0/86/a0866c9a7f8d67e00a46120dfce1d61dd17a6b762104c854470f180640cb7e23 (from https://www.govinfo.gov/content/pkg/FR-2003-01-08/pdf/03-330.pdf)
- Federal Register: https://www.federalregister.gov/documents/2003/01/08/03-330/airworthiness-directives-general-electric-company-cf6-6-series-turbofan-engines
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F730E994C72ECA4086256CA80056D7F3.0001
- Page: https://openairdocs.org/proposed/2002-NE-24-AD

## Summary

The Federal Aviation Administration (FAA) proposes to adopt a new airworthiness directive (AD) that is applicable to General Electric (GE) CF6-6 series turbofan engines. This proposal would require a reduction of the cyclic life limit for certain high pressure turbine rotor (HPTR) rear shafts, and would require removing certain HPTR rear shafts from service before exceeding the new, lower cyclic life limit. In addition, the proposal would require removing from service certain HPTR rear shafts that currently exceed, or will exceed, the new, lower cyclic life limit according to the compliance schedule described in this proposal. The actions specified by the proposed AD are intended to prevent cracks in HPTR rear shafts that could result in uncontained engine failure and damage to the airplane.

## Notices in this docket

- Jan 8, 2003: Notice of proposed rulemaking (NPRM). (first notice), FR document 03-330, comments due Mar 10, 2003 (https://www.federalregister.gov/documents/2003/01/08/03-330/airworthiness-directives-general-electric-company-cf6-6-series-turbofan-engines)

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