Service difficulty report · Fmu · Boeing 767322

Difficulty date
April 9, 2011
Submitted
April 27, 2011
Operation
Air carrier
Aircraft
N672UA
Make and model
Boeing 767322
Aircraft serial
30027
Aircraft time
41,112 hours, 10,794 cycles
Engine
Pwa PW4056
Part
Fmu
Part number
8010003
Part serial
252
Condition
Faulty
Location
Nr 2 Engine
Stage of operation
NR
How discovered
O
Nature of condition
R, J
Precautionary procedure
O

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

What was found

NR 2 ENG CONTINUES TO RUN AFTER FUEL CUTOFF, WITH SPAR VALVE LIGHT ON. ATTEMPTED TWICE, SAME CONDITION, SHUT DOWN WITH FIRE HANDLE. RAN ENGINE AT NOTED SPAR VALVE, CHECKS GOOD BUT ENGINE VALVE LIGHT STAYED ILLUM WITH ENGINE AT CUTOFF POSITION AND ENGINE REMAINED RUNNING. NEED FMU. REPLACED NR 2 FMU PER MM. ENGINE WILL NOT SHUT OFF STILL AND ENGINE VALVE LIGHT STILL ILLUMINATED AFTER SWITCH PLACED TO CUT OFF. REPLACED K169 RT FUEL IGN CON RELAY & RESECURED D4230P CONN IN J-BOX. OPERATIONAL CHECKED ON NR 2 ENGINE RUN OKAY.