# Proposed AD FAA-2006-24452: Pratt & Whitney PW2000 Series Turbofan Engines

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2007-02-06
- Products: Pratt & Whitney
- Product type: Engine
- Action: Notice of proposed rulemaking (NPRM).
- Published: August 3, 2006, 71 FR 43997
- Comments due: October 2, 2006
- Became: [AD 2007-02-06](https://openairdocs.org/ad/2007-02-06)
- Docket: FAA-2006-24452 (https://www.regulations.gov/docket/FAA-2006-24452, where comments are filed)
- Project: 2006-NE-11-AD
- FR document: E6-12539
- Official PDF: https://openairdocs.org/files/sha256/36/74/3674ce06c0fb96f8f754206437cfde62a077baa56ca65915dfd6a67ec8079efa (from https://www.govinfo.gov/content/pkg/FR-2006-08-03/pdf/E6-12539.pdf)
- Federal Register: https://www.federalregister.gov/documents/2006/08/03/E6-12539/airworthiness-directives-pratt-and-whitney-pw2000-series-turbofan-engines
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0A7D2643895B1CFA862571BF00718D44.0001
- Page: https://openairdocs.org/proposed/FAA-2006-24452

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for Pratt & Whitney PW2000 series turbofan engines. This proposed AD would require a onetime focused visual and fluorescent penetrant inspection (FPI) of 21 suspect PW2000 8th stage high pressure compressor (HPC) drum rotor disk assemblies. This proposed AD results from a PW2037 8th stage HPC drum rotor disk assembly failure event caused by tooling damage that occurred during disk assembly manufacture. We are proposing this AD to prevent 8th stage HPC drum rotor disk assembly failure that could result in an uncontained engine failure and damage to the airplane.

## Notices in this docket

- Aug 3, 2006: Notice of proposed rulemaking (NPRM). (first notice), FR document E6-12539, comments due Oct 2, 2006 (https://www.federalregister.gov/documents/2006/08/03/E6-12539/airworthiness-directives-pratt-and-whitney-pw2000-series-turbofan-engines)

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