Service difficulty report · Power Supply · Boeing 777223

Difficulty date
April 19, 2026
Submitted
April 21, 2026
Operation
Air carrier
Aircraft
N753AN
Make and model
Boeing 777223
Aircraft serial
30261
Aircraft time
94,996 hours, 12,216 cycles
Part
Power Supply
Condition
Inoperative
Location
Zone 200
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 LIGHTS INOP LOCATED AROUND THE REST CREW AREA COMPARTMENT. MAINTENANCE REPLACED POWER SUPPLY WITH BATTERY PAC M33406 PER SSM33-51-14 OPS CHECK OK IAW AMM 33-51-00.