# SDR 2007UALA01261

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2007
- Submitted: May 1, 2007
- Operation: Air carrier
- Aircraft: [N311UA](https://openairdocs.org/aircraft/N311UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 23672
- Aircraft time: 56,519 hours, 30,945 cycles
- Engine: Cfmint CFM563C1
- Engine time: 41,670 hours, 30,037 cycles
- System (JASC): [7330 · Engine Fuel Indicating System](https://openairdocs.org/jasc/7330)
- Part: Warning Light
- Condition: Illuminated
- Location: Filter Bypass
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA01261

## Discrepancy

RTFL DUE TO LEFT ENGINE FUEL FILTER BYPASS LIGHT ILLUMINATED.   [SUP 05-16-07]  CAUSE IS UNDETERMINABLE. NO DEFECTS FOUND.  REPLACED FUEL FILTER AS A PRECAUTION.

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