# SDR SWAA022961

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2002
- Submitted: December 31, 2002
- Operation: Air carrier
- Aircraft: N679AA
- Make and model: Boeing 737-3A4
- Registry model: [Boeing 737-3A4](https://openairdocs.org/model/boeing-737-3a4) (OpenAirDocs)
- Aircraft serial: 23291
- Aircraft time: 52,988 hours, 46,484 cycles
- Engine: Ge CFM56*
- Engine time: 18,506 hours, 15,723 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: 3321A1000
- Part serial: 858519
- Condition: Malfunctioned
- Location: Left
- Stage of operation: CL
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA022961

## Discrepancy

DURING CLIMB-OUT, NR 1 ENGINE SURGED TO 107 PERCENT N1 AND NR 1 EGT RED LIGHT ILLUMINATED, NR 1 PMC INOP AND ALSO ILLUMINATED.  REMOVED AND REPLACED NR 1 ENGINE PER MM.

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