SDR HNAA2012071000846

Service difficulty report · Apu · Dhav DHC8103

Difficulty date: July 10, 2012
Submitted: July 10, 2012
Operation: Air carrier
Aircraft: N327EN
Make and model: Dhav DHC8103
Aircraft serial: 261
Aircraft time: 38,301 hours, 57,421 cycles
System (JASC): 4920 · APU Core Engine
Part: Apu
Condition: Inoperative
Stage of operation: TX
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

APU WILL NOT START. APU CAUTION LIGHT ILLUMINATED AND CHECK FIRE DETECT WARNING LIGHTS ILLUMINATED. BOTH LIGHTS EXTINGUISHED WHEN APU PANEL WAS SELECTED OFF. CREW NOTED BOTH DISC ARE STILL ON OUTSIDE OF AIRCRAFT TAIL. INSPECTED APU, NO DAMAGE NOTED, FUEL VALVE VERIFIED CLOSED- PULLED AND COLLARED CIRCUIT BREAKER N8. TROUBLESHOT AND FOUND INTERNAL FAULT IN APU FIRE BOTTLE. R & R FIRE BOTTLE IAW WC 26-21-01I.