# SDR DXTA2026081409275

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2026
- Submitted: August 14, 2026
- Operation: Air carrier
- Aircraft: [N598QS](https://openairdocs.org/aircraft/N598QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0157
- Aircraft time: 8,121 hours, 5,318 cycles
- System (JASC): [2897 · Fuel System Wiring](https://openairdocs.org/jasc/2897)
- Part: Pcb
- Part number: 691860211
- Part serial: 1326
- Condition: Illuminated
- Location: Fuel Pump
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026081409275

## Discrepancy

AT CRUISE WHEN FUEL XFEED MOVED TO OFF POSITION, AMBER FUEL BST PUMP ON L AND R CAS MESSAGE POSTED. RAN QRH. MESSAGE POSTED WHEN XFEEDING L TO R AND R TO L.  CARRIED OUT FUEL BOOST AND CROSSFEED ANNUNCIATION OPERATIONAL CHECK IAW 680A AMM 28-40-00 WITH NO DISCREPANCIES NOTED. REPLACED PCB NZ107 FUEL CNTRL WITH INSPECTED UNIT IAW 680A AMM 24-60-35 AND COMPLETED POST MAINTENANCE CHECK IAW 680A AMM 24-60-35PARA (J) NO DISCREPANCIES NOTED,

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