# SDR ASAA2022082939708

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2022
- Submitted: August 31, 2022
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 42,019 hours, 12,029 cycles
- System (JASC): [7330 · Engine Fuel Indicating System](https://openairdocs.org/jasc/7330)
- Part: Pressure Switch
- Part number: QA07995
- Part serial: RD115362
- Condition: Faulty
- Location: #1 Engine
- Part time: 11,840 hours, 3,261 cycles
- Stage of operation: CR
- 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/ASAA2022082939708

## Discrepancy

#1 ENGINE FUEL FILTER BY-PASS LIGHT CAME ON DURING CRUISE. NO OTHER ASSOCIATED INDICATIONS NOTED. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH PER B737-800 AMM 73-34-01.

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