# SDR 97ZZZX488

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N650TW](https://openairdocs.org/aircraft/N650TW), registered now
- Make and model: Boeing 767205
- Aircraft serial: 23057
- Engine: Pwa JT9D7R4D
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: CL
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX488

## Discrepancy

SEA - FLT 740 - DURING CLIMB, NR 1 ENGINE, SN 4603, SURGED.  POWER WAS REDUCED TO IDLE.  CHANGED NR 1 ENGINE.  ENGINE TOTAL TIME:  29,752 HOURS; 8,040 CYCLES.  INVESTIGATION REVEALED THE HIGH PRESSURE COMPRESSOR HAD NON-CONCENTRIC RUBBING OF RUBSTRIPS ON THE 11TH THROUGH 15TH STAGES. THE HIGH PRESSURE COMPRESSOR 'B' MODULE WAS REPLACED AND ENGINE, SN 4603, WAS RETURNED TO SERVICE.

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