# SDR VIBR20131202002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2013
- Submitted: December 2, 2013
- Operation: General aviation
- Filed by: [Stevens Aerospace and Defense Systems, LLC., repair station VIBR368K](https://openairdocs.org/faa-repair-station/VIBR368K/stevens-aerospace-and-defense-systems-llc.md) (OpenAirDocs)
- Aircraft: N160MG
- Make and model: Lear 60LEAR
- Aircraft serial: 0244
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Wire
- Condition: Damaged
- Location: Fire Warning
- Stage of operation: DE
- How discovered: O
- Nature of condition: N
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VIBR20131202002

## Discrepancy

PILOT EXPERIENCED APU FIRE ANNUNICATOR ON DESCENT WITH APU NOT OPERATING.  PILOT DISCHARGED APU FIRE BOTTLE.  INSPECTED APU RELAY BOX AND FOUND AND STAR WASHER STUCK BETWEEN THE 2 WIRES FOR THE APU FIRE FAULT, BITE, INDICATOR, THIS GAVE THE CIRCUT A GROUND AND GIVING A FALSE APU FIRE LIGHT. REINSTALLED STAR WASHER AND NUT FOR THE APU FIRE FAULT, BITE, INDICATOR.

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