Service difficulty report · Power Supply · Boeing 777323ER

Difficulty date
August 22, 2020
Submitted
August 25, 2020
Operation
Air carrier
Aircraft
N720AN
Make and model
Boeing 777323ER
Aircraft serial
33522
Aircraft time
30,258 hours, 3,373 cycles
Part
Power Supply
Part number
D71702001
Condition
Inoperative
Location
Emegency 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

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER SUPPLY UNIT (M33650) INOPERATIVE, LOCATED IN THE OVERHEAD CEILING PANEL BETWEEN DOOR L2 AND THE GALLEY. REPLACED POWER SUPPLY WITH NEW IAW AMM 33-51-06, OPS CHECK GOOD.