# SDR 97ZZZX4309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N705TW](https://openairdocs.org/aircraft/N705TW), registered now
- Make and model: Boeing 757231
- Aircraft serial: 28479
- Engine: Pwa PW2037
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Bearing
- Part number: 1A9843
- Condition: Failed
- Location: Nr 4
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX4309

## Discrepancy

ENGINE REMOVED, POSITION NR 2, AT LAX ON 7-14-97 DUE METAL IN SCREEN/CARBON IN FILTER.  DISASSEMBLY INSPECTION REVEALED ROLLER TANG LIBERATION IN BEARING.  BEARING WAS HAND CARRIED TO PRATT & WHITNEY ENGINEERING FOR INVESTIGATION.

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