Service difficulty report · Controller · Boeing 777222

Difficulty date
June 3, 2010
Submitted
June 4, 2010
Operation
Air carrier
Aircraft
N219UA
Make and model
Boeing 777222
Aircraft serial
30551
Aircraft time
39,004 hours, 4,816 cycles
Engine
Pwa PW4090
Part
Controller
Part number
S351W200100
Part serial
5
Condition
Faulty
Location
Apu
Component
Apu
Component part number
38005501
Stage of operation
NR
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

APU AUTO SHUTDOWN. APU INOP WILL NOT START FUEL CLUSTER MESSAGE. MSG 49-10440, APU MAINT PAGE FMV INDICATION DID NOT MOVE. METERING VALVE PART OF CLUSTER. REPLACED APUC, NO HELP. FOUND LARGE CHIPS ON LUBE SCAVENGE PUMP DETECTOR. THIS WILL BE AN APU CHANGE. REPLACED APU PER MM. OPS NORMAL.