# SDR UPS06548178

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2006
- Submitted: October 6, 2006
- Operation: Air carrier
- Aircraft: [N436UP](https://openairdocs.org/aircraft/N436UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25467
- Engine: Rroyce RB211535E4
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: RB211
- Part serial: 31495
- Condition: Stalled
- Location: Left
- 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/UPS06548178

## Discrepancy

AIR TURN BACK, LT ENG. EXPERIENCED APPROX. 5 COMPRESSOR STALLS IN APPROX 5 SECONDS. PASSING 1,300 FT. SHORTLY AFTER SELECTING V-NAV S SWITCHING FROM T/O TO CLB THRUST. EGT OVERTEMPED (RED) WENT TO 907 PEAK TEMP. ENGINE STABILIZED AND OPERATED NORMALLY WITH THRUST LEVER REDUCTION     REMOVED NR 1 ENGINE PER TC 5001. INSTALLED NR 1 ENGINE AND RAN PER TC 5001 & TC 5002. GROUND OPS CK GOOD. OK FOR SERVICE.

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