Service difficulty report · Power Supply · Boeing 747422

Difficulty date
September 8, 2012
Submitted
September 24, 2012
Operation
Air carrier
Aircraft
N117UA
Make and model
Boeing 747422
Aircraft serial
28810
Aircraft time
55,842 hours, 6,708 cycles
Engine
Pwa PW4056
Part
Power Supply
Part number
582240
Condition
Inoperative
Location
Cabin
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

LEFT EXTERIOR OVERWING EMERGENCY EXIT LIGHTS INOP MOST AFT TWO LIGHT ASSY'S. REPLACED POWER SUPPLY, OPS NORMAL.