SDR QXEA2013011300049

Service difficulty report · Unknown · Bombdr DHC8402

Difficulty date: January 13, 2013
Submitted: January 17, 2013
Operation: Air carrier
Aircraft: N440QX
Make and model: Bombdr DHC8402
Aircraft serial: 4347
Aircraft time: 4,788 hours, 4,988 cycles
System (JASC): 4920 · APU Core Engine
Part: Unknown
Condition: Smoke
Location: Apu
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

DURING GROUND RUN, FOUND EXCESSIVE SMOKE COMING OUT OF FUEL CONTROL VENT LINE AND OFF FUEL CONTROL UNIT. PERFORMED OPS TEST OF THE AUXILARY POWER UNIT IAW AMM TASK 49-00-00-710-801, OPS TESTED GOOD. NO OTHER DEFECTS NOTED. RETURNED TO SERVICE. COULD NOT DUPLICATE.