Service difficulty report · Power Supply · Boeing 777223

Difficulty date
July 15, 2022
Submitted
July 18, 2022
Operation
Air carrier
Aircraft
N753AN
Make and model
Boeing 777223
Aircraft serial
30261
Aircraft time
81,298 hours, 10,418 cycles
Part
Power Supply
Part number
S283W6032
Part serial
101381
Condition
Inoperative
Location
Zone 200 - Fuse
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: R3 DOOR EXTERIOR EMERGENCY LIGHT INOPERATIVE WHEN TESTING THE NOSE GEAR LIGHT SWITCH. REPLACED EMERGENCY LIGHT BATTERY PACK POWER SUPPLY ASSEMBLY M33401 PER AMM 33-51-06. OPERATIONAL CHECK GOOD.