# SDR CA150508012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2015
- Submitted: August 5, 2015
- Operation: General aviation
- Make and model: Boeing 737*
- Aircraft time: 27,733 hours
- Engine: Cfmint CFM567B22
- System (JASC): [7334 · Fuel Pressure Sensor](https://openairdocs.org/jasc/7334)
- Part: Pressure Switch
- Part number: QA07995
- Condition: Faulty
- Location: Nr 1 Engine
- Part time: 10,979 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA150508012

## Discrepancy

(CAN) DURING CLIMB THE NR 1 ENG FUEL FILTER BYPASS LIGHT ILLUMINATED.  THE ACFT RETURNED WHERE MX CARRIED OUT FIM 73-05 TASK 801 & FOUND THE FUEL FILTER DIFFERENTIAL PRESS SWITCH AT FAULT.  THE SWITCH WAS REPLACED & SUBSEQUENT ENG RUN CONFIRMED ITS SERVICEABILITY.

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