# SDR ASAA2022100540185

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2022
- Submitted: October 7, 2022
- Operation: Air carrier
- Aircraft: [N534AS](https://openairdocs.org/aircraft/N534AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35202
- Aircraft time: 43,720 hours, 12,480 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7330 · Engine Fuel Indicating System](https://openairdocs.org/jasc/7330)
- Part: Pressure Switch
- Part number: QA07995
- Part serial: RH76145
- Condition: Faulty
- Location: #1 Engine
- Part time: 244 hours, 77 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022100540185

## Discrepancy

THE MAINTENANCE MESSAGE 73-31071 THE FUEL FILTER SIGNAL DISAGREE LONG TIME FAULT DEFERRABLE PER ASA T/C 78273000. GROUNDED - YES. REPLACED ENGINE 1 FUEL FILTER DIFFERENTIAL PRESSURE SWITCH REF B737-800 AMM 73-34-01 OPS CHECK GOOD NO LEAKS.

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