Service difficulty report · Power Supply · Boeing 747422

Difficulty date
January 13, 2017
Submitted
January 14, 2017
Operation
Air carrier
Aircraft
N127UA
Make and model
Boeing 747422
Aircraft serial
28813
Aircraft time
68,342 hours, 7,691 cycles
Part
Power Supply
Condition
Inoperative
Location
Emergency Light
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

EMERGENCY EXIT LIGHT OVER THE LEFT AISLE AT LAVATORY 104 IS INOPERATIVE. REPLACED THE CHARGER ASSY IAW AMM 33-51-04. REPLACED THE POWER SUPPLY IAW AMM 33-51-04 AND WDM33-51-32. OPS CHECKED OK. REPLACED THE POWER SUPPLY IAW AMM 33-51-32. AND WDM 33-51-32 OPS CHECKED GOOD.