# SDR 9WGA2021102125801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2021
- Submitted: October 21, 2021
- Operation: Air carrier
- Aircraft: [N258SN](https://openairdocs.org/aircraft/N258SN), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29258
- Aircraft time: 86,800 hours, 14,094 cycles
- Engine: Ge CF680C2B5F
- System (JASC): [7100 · Powerplant System](https://openairdocs.org/jasc/7100)
- Part: None
- Condition: None
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9WGA2021102125801

## Discrepancy

AIR RETURN FOR COMPRESSOR STALL #3 ENGINE. RAN ENGINE LIMITER SURGE OR STALL CHECK, ENGINE CONTINUED TO RUN AT REDUCED THRUST AND WOULD NOT RESPOND TO THRUST LEVER MOVEMENT.

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