# SDR VNAA0212016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2002
- Submitted: December 13, 2002
- Operation: Air carrier
- Aircraft: [N427JS](https://openairdocs.org/aircraft/N427JS), registered now
- Make and model: Dorner DO328100
- Aircraft serial: 3039
- Aircraft time: 19,792 hours, 17,692 cycles
- Engine: Pwa PW119B
- Propeller: Hartzl HDE6C3B
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Warning System
- Condition: Malfunctioned
- Location: Fire Detection
- Stage of operation: TX
- How discovered: C
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA0212016

## Discrepancy

THE CREW REPORTED THAT THE APU FIRE DETECTION SYSTEM WAS INOP.  THE CREW DEFERRED THIS WITH MAINTENANCE CONTROL USING 49-1C.  UPON ARRIVAL AT CAK, MAINTENANCE INSPECTED AND TROUBLESHOT THE SYSTEM BUT WAS UNABLE TO DUPLICATE THE PROBLEM OR FIND ANY FURTHER DISCREPANCIES.  THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.

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