# SDR DXTA2026082709431

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2026
- Submitted: August 27, 2026
- Operation: Air carrier
- Aircraft: [N945QS](https://openairdocs.org/aircraft/N945QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0378
- Aircraft time: 3,047 hours, 2,096 cycles
- System (JASC): [2897 · Fuel System Wiring](https://openairdocs.org/jasc/2897)
- Part: Pcb
- Part number: 691860211
- Part serial: 333157421
- Condition: Faulty
- Location: Zone 100
- 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/DXTA2026082709431

## Discrepancy

JUST PRIOR TO LEVEL OFF AT FL410, THE AMBER FUEL PRESS LOW L CAS WAS CYCLING ON/OFF (AT LEAST 5 TIMES). QRH PROCEDURE WAS ACCOMPLISHED, WITH BOOST PUMP L ON. THE AMBER CAS EXTINGUISHED. ABOUT 15 MINS LATER, BOTH PILOT NOTICED A VIBRATION IN THE SEAT AND YOKE. THE BOOST PUMP WAS ON FOR THE REMAINING FLIGHT UNTIL SHUTDOWN.  CROSSFEED WAS OFF AT INITIAL CAS. REPEAT WRITE UP. CORRECTIVE ACTION: REMOVED SUSPECTED FAULTY PCB BOARD P/N: 6918602-11 S/N: 33315742-1 FROM POSITION LH NZ107, AND INSTALLED A INSPECTED PCB BOARD P/N: 6918602-11 S/N: 31257355-2 IN POSITION RH NZ207. PERFORMED OPS CHECKS WITH NO DEFECTS NOTED. WORK DONE IAW CE-680A AMM 24-60-35.

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