# SDR DXTA2023100397150

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2023
- Submitted: October 4, 2023
- Operation: Air carrier
- Aircraft: [N626Q](https://openairdocs.org/aircraft/N626Q), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0164
- Aircraft time: 4,341 hours, 2,868 cycles
- System (JASC): [2800 · Aircraft Fuel System](https://openairdocs.org/jasc/2800)
- Part: Pressure Switch
- Part number: 99144882
- Part serial: 1825580
- Condition: Defective
- Location: Zone 100
- Stage of operation: CL
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2023100397150

## Discrepancy

FUEL PRESS LOW R AMBER CAS: FUEL PRESSURE LOW-R INTERMITTANT DURING CLIMB OUT. APPEARED MOTIVE FLOW WOULD FAIL FOR 3OR 4 SECONDS AND THEN RESUME WORKING. FOLLOWED QRH AND TURNED ON R BOOST PUMP.  CMC SHOWS INTERMITTENT FUEL PRESSURE SWITCH. RAN ENGINE, NO FAULT AND FUEL PRESSURE TEST PASSED. ORDERED FUEL PRESSURE SWITCH AND O-RING EMOVED AND REPLACED RH ENGINE FUEL PRESSURE SWITCH WITH NEW SWITCH, OPS AND LEAK CHECKS GOOD. REF. CE-680A M.M. 73-10-05.

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