Service difficulty report · Fmu · Boeing 767322

Difficulty date
July 10, 2012
Submitted
August 24, 2012
Operation
Air carrier
Aircraft
N674UA
Make and model
Boeing 767322
Aircraft serial
29242
Aircraft time
42,982 hours, 10,997 cycles
Engine
Pwa PW4056
Part
Fmu
Condition
Failed
Location
Nr 2 Engine
Stage of operation
TX
How discovered
9
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

RT ENGINE NO START. DUE TO UNABLE TO DUPLICATE THE EXACT FAULT ON THE GROUND OF NR 2 ENG NO START. REQUIRE TO DO A HIGH POWER RUN DUE TO FMU REPLACEMENT AND FUEL PUMP REPLACEMENT. ACCOMPLISHED COUPLE START AND SHUT DOWN. ACCOMPLISHED ENGINE START AND SHUT DOWN WITH IGNITION SWITCHED FROM 1 AND 2. BOTH STARTS WERE NORMAL. HIGH POWER RUNS WERE NORMAL, NO FAULT INDICATION ON EICAS OR PEDESTAL CUTOUT SWITCHES.