# SDR 99ZZZX1163

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N622FF
- Make and model: Boeing 747283B
- Aircraft serial: 22496
- Engine: Pwa JT9D7Q
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Bearing
- Condition: Failed
- Location: Nr 3
- Stage of operation: NR
- Nature of condition: M, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX1163

## Discrepancy

ENGINE IN-FLIGHT SHUTDOWN AND REMOVAL 1-17-99 DUE VIBRATION/FIRE WARNING.  DISASSEMBLY INSPECTION DISCLOSED EXTENSIVE FIRE DAMAGE SEEMING TO ORIGINATE IN THE NR 3 BEARING AREA WITH EXTENSIVE SECONDARY DAMAGE. FAILED MATERIAL WILL BE FORWARDED TO PRATT & WHITNEY FOR ANALYSIS. ENGINE TT:  42,303:27 HOURS.  TC:  8,690.

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