Service difficulty report · Control Unit · Boeing 767322

Difficulty date
March 12, 2010
Submitted
March 15, 2010
Operation
Air carrier
Aircraft
N655UA
Make and model
Boeing 767322
Aircraft serial
25393
Aircraft time
73,950 hours, 12,025 cycles
Engine
Pwa PW4060
System (JASC)
2540 · Lavatories
Part
Control Unit
Part number
3B391C
Part serial
113
Condition
Malfunctioned
Location
Lavatory
Stage of operation
NR
How discovered
O
Nature of condition
W
Precautionary procedure
O

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

What was found

LEFT AFT LAV CB P11 U7 FOUND POPPED. PER FLIGHT CREW, "THAT BREAKER THAT'S OUT" IS ACTUALLY P11-U34, RIGHT AFT GALLEY. WITH D392 DISCONNECTED FROM M226 ELCU, CB DOES NOT TRIP. REPLACED ELCU M226, GALLEY POWER CHECKS NORMAL.