# SDR DXTA2023050185090

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2023
- Submitted: May 1, 2023
- Operation: Air carrier
- Aircraft: [N339QS](https://openairdocs.org/aircraft/N339QS), registered now
- Make and model: Cessna 680SOV
- Aircraft serial: 6800191
- Aircraft time: 12,417 hours, 8,213 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Sensor
- Part number: 30B570201
- Part serial: 118434
- Condition: Defective
- Location: Rt Engine
- Stage of operation: CR
- How discovered: L
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2023050185090

## Discrepancy

DURING FLIGHT THE YELLOW CAS MESSAGE ENGINE FIRE DETECT FAIL-R ILLUMINATED. CONTINUED TO KLUK.  COMPLIED WITH RESISTANCE CHECK OF THE LOWER FIRE DETECT LOOP ON RH ENG & FOUND NO DEFECTS NOTED. INVESTIGATED MAINTENANCE DIAGNOSTIC PAGE FOR PCB JZ208 & FOUND AN INACTIVE" STATUS ON RT NODE INBOARD PROBE.  PERFORMED WIRING CHECKS ON PE032 & RECEIVED AN OPEN ELECTRICAL READING.  REMOVED & REPLACED FIRE & OVERHEAT SENSOR, APPLIED POWER TO ACFT & VERIFIED MESSAGE IS NO LONGER PRESENT.  PERFORMED ENGINE RUN WITH NO LEAKS NOTED, OPS CHECKS GOOD. ALL WORK DONE IAW MM 71-10-00, 36-10-00 & P&WC 306C LMM 26-10-01. OPS & LEAK CHECKS GOOD.

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