# SDR SWAA116879

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2011
- Submitted: October 5, 2011
- Operation: Air carrier
- Aircraft: N379SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 26586
- Aircraft time: 57,974 hours, 48,325 cycles
- Engine: Cfmint CFM563B1US
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Mechanism
- Part number: 328255621
- Part serial: 10873531C
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: M
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA116879

## Discrepancy

NR 1 ENGINE OVERTEMP ON SMF: TEMP EXCEEDED 940F.  OVERTEMP LASTED LESS THAN 5 SECS.  ENGINE NR 1 OVERTEMPTED AGAIN PASSING 1000F.  TEMP AT 935F, UNABLE TO MAINTAIN CLIMB N1.  REMOVED AND REPLACED BLEED VALVE FUEL GEAR MOTOR, STOP MECHANISM, FEEDBACK ROD AND MAIN FLEX SHAFT IAW MM.

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