# SDR ZZDA2008118

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2008
- Submitted: July 1, 2008
- Operation: Air carrier
- Aircraft: N292AT
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33926
- System (JASC): [7331 · Fuel Flow Indicating](https://openairdocs.org/jasc/7331)
- Part: Pressure Switch
- Part number: QA07995
- Condition: Defective
- Location: Left Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZZDA2008118

## Discrepancy

LEFT ENGINE FILTER BYPASS ILLUMINATED IN FLIGHT.  REMOVED AND REPLACED LEFT ENGINE DIFFERENTIAL PRESSURE SWITCH AND FUEL FILTER.

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