# SDR 96ZZZX230

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N54342
- Make and model: Boeing 727231
- Aircraft serial: 21629
- Engine: Pwa JT8D15
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Bushing
- Part number: 467572P3
- Condition: Failed
- Location: Nr 1 Eng Grbox
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX230

## Discrepancy

ATL- FLT 554 - DURING CRUISE, NR 1 ENGINE, SN 4026, SPUN DOWN.  SHUT DOWN ENGINE.  FOUND ACCESSORY GEARBOX HAD INTERNAL MALFUNCTION.  REPLACED ENGINE AND ENGINE OPERATION CHECK NORMAL.  ENGINE TOTAL TIME:  49,589 HOURS, 33,419 CYCLES.  CHECK C-1 - 3-7-95 - MCI.  INVESTIGATION INTO ENGINE, SN 4026, GEARBOX FAILURE REVEALED A BUSHING, MFG PN 467572P3, ALLOWED GEAR TO MIGRATE CAUSING RAPID TOOTH WEAR RESULTING IN GEARBOX FAILURE.  GEARBOX REPAIRED AND RETURNED TO SERVICE.

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