Service difficulty report · Power Supply · Boeing 747422

Difficulty date
February 6, 2015
Submitted
February 10, 2015
Operation
Air carrier
Aircraft
N127UA
Make and model
Boeing 747422
Aircraft serial
28813
Aircraft time
61,447 hours, 7,054 cycles
Engine
Pwa PW4056
Part
Power Supply
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

EMERGENCY EXIT LIGHTS INOPERATIVE. LT OVERWING SLIDE EEL, ALL 4 INOPERATIVE. REPLACED POWER SUPPLY & BATTERY ASSEMBLY M 7919 IAW MM 33-51-04-201.