Service difficulty report · Power Supply · Boeing 747422

Difficulty date
May 26, 2012
Submitted
June 5, 2012
Operation
Air carrier
Aircraft
N116UA
Make and model
Boeing 747422
Aircraft serial
26908
Aircraft time
55,089 hours, 6,429 cycles
Engine
Pwa PW4056
Part
Power Supply
Part number
582240
Condition
Inoperative
Location
Emergency Lights
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

RIGHT OVERWING EMERGENCY AFT LIGHT ASSY TWO LAMPS INOPERATIVE. LOWER TWO ASSEMBLIES INOPERATIVE. REPLACED POWER SUPPLY. OPS CHECKED NORMAL.