SDR VIBR20131202002

Service difficulty report · Wire · Lear 60LEAR

Difficulty date: May 23, 2013
Submitted: December 2, 2013
Operation: General aviation
Filed by: VIBR368K
Stevens Aerospace and Defense Systems, LLC.
Aircraft: N160MG
Make and model: Lear 60LEAR
Aircraft serial: 0244
System (JASC): 2697 · Fire Protection System Wiring
Part: Wire
Condition: Damaged
Location: Fire Warning
Stage of operation: DE
How discovered: O
Nature of condition: N
Precautionary procedure: F

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.