SDR HNAA2015022300058

Service difficulty report · Apu · Dhav DHC8102

Difficulty date: February 23, 2015
Submitted: February 23, 2015
Operation: Air carrier
Aircraft: N940HA
Make and model: Dhav DHC8102
Aircraft serial: 156
Aircraft time: 64,396 hours, 72,071 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Apu
Condition: Fire
Stage of operation: TX
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

FUELER REPORTED FLAMES AND SMOKE COMING FROM APU EXHAUST, APU HUNG START. DISCHARGED APU FIRE BOTTLE. R & R APU FIRE BOTTLE IAW WC, 26-20-09X, 26-20-04F AND 26-21-01. RAN APU AND FOUND TO BE HUNG START. R & R FORWARD PURGER VALVE IAW HS 49-20M, THEN START NOZZLE AND IGNITER DUE TO COKING IAW WC 49-30-07C AND 49-40-41. OPS AND LEAKED CHECKED GOOD. OK FOR SERVICE.