# SDR SWAA042474

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2004
- Submitted: August 30, 2004
- Operation: Air carrier
- Aircraft: 073SW
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 22673
- Aircraft time: 70,975 hours, 78,723 cycles
- Engine: Pwa JT8D9A
- Engine time: 69,123 hours, 78,161 cycles
- System (JASC): [2821 · Aircraft Fuel Filter/Strainer](https://openairdocs.org/jasc/2821)
- Part: Filter
- Part number: 731085
- Condition: Clogged
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA042474

## Discrepancy

INFLIGHT SHUTDOWN/DECLARED EMERGENCY.  ON CLIMBOUT NR 1 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED, REDUCED THRUST LIGHT WENT OUT.  SHUTDOWN ENGINE.  FOUND CARBON BUILD UP IN FILTER.  REMOVED AND REPLACED OIL FILTER PER MM.

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