Service difficulty report · Control Unit · Boeing 767322

Difficulty date
August 21, 2010
Submitted
August 23, 2010
Operation
Air carrier
Aircraft
N674UA
Make and model
Boeing 767322
Aircraft serial
29242
Aircraft time
37,628 hours, 9,807 cycles
Engine
Pwa PW4060
Part
Control Unit
Part number
3B391C
Part serial
03907075
Condition
Failed
Location
Galley Power
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

NO GALLEY POWER IN FWD GALLEY. RECYCLED UTILITY BUSS, NO HELP. POWERED DOWN ACFT, NO HELP. REPLACED FWD GALLEY ELCU, NO HELP. THIS ITEM WAS NOTICED AFTER JETWAY POWER DROPPED OFF. RECONNECTED JETWAY POWER AND FWD GALLEY POWER WORKS NORMAL. PUT ACFT ON APU POWER AND GALLEY POWER, OPS NORMAL. PUT A-C ON APU POWER AND GALLEY POWER OPS NORMAL.