Service difficulty report · Apu · Boeing 747422

Difficulty date
September 18, 2010
Submitted
September 20, 2010
Operation
Air carrier
Aircraft
N118UA
Make and model
Boeing 747422
Aircraft serial
28811
Aircraft time
46,784 hours, 5,703 cycles
Engine
Pwa PW4056
Part
Apu
Part number
S351U0023
Part serial
900571PWC
Condition
Smoke
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

AFTER PUSH BACK APU AUTO SHUTDOWN AND ATTEMPTED RESTART AND SMOKE FILLED THE CABIN. REMOVED APU IAW MM.