# SDR UPS07550150

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2007
- Submitted: July 16, 2007
- Operation: Air carrier
- Aircraft: [N438UP](https://openairdocs.org/aircraft/N438UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25469
- Engine: Rroyce RB211535E4
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Condition: Stalled
- Location: Lt Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS07550150

## Discrepancy

INSPECTION TYPE:N/A ATB - SEVERAL COMPRESSOR STALLS NOTED ON CLIMBOUT LEFT ENG.  *SUPPLEMENTAL SDR*  REMOVED AND REPLACED NR 1 ENGINE WITH REFERENCE TO MAINTENANCE FUNCTION TASK CARD TC 5001 (RR), ENGINE GROUND RAN NORMAL.  A/C OK FOR SERVICE.

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