# SDR 05007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2005
- Submitted: January 28, 2005
- Operation: Air carrier
- Aircraft: [N710CK](https://openairdocs.org/aircraft/N710CK), registered now
- Make and model: Boeing 747-2B4B
- Registry model: [Boeing 747-2B4B](https://openairdocs.org/model/boeing-747-2b4b) (OpenAirDocs)
- Aircraft serial: 21097
- Aircraft time: 66,149 hours, 18,010 cycles
- Engine: Pwa JT9D7J
- Engine time: 80,296 hours, 14,118 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Condition: Stalled
- Location: Nr 2 Engine
- Part time: 80,296 hours, 14,118 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: R
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/05007

## Discrepancy

NR 2 ENGINE COMPRESSOR STALL AT 31,500 FT AND AGAIN AT FL350.  ENGINE SHUTDOWN.  REMOVED AND REPLACED NR 2 ENGINE.  PERFORMED TEST NUMBERS 3, 6, 8, 9, 11, 12, AND 16.  TRIM RUNS PERFORMED.  OPS AND LEAK CHECK GOOD AND FINAL PARAMETERS RECORDED.  ALL WORK PERFORMED IAW B747 MM 71-00-00.

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