Service difficulty report · Power Supply · Boeing 777323ER

Difficulty date
September 18, 2026
Submitted
September 22, 2026
Operation
Air carrier
Aircraft
N723AN
Make and model
Boeing 777323ER
Aircraft serial
33125
Aircraft time
53,639 hours, 6,282 cycles
Part
Power Supply
Part number
D71702001
Condition
No Test
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: DOOR 4 LH BATTERY PACK M33405 CAPACITY CHECK FAIL. MAINTENANCE REPLACED DOOR 4 LH POWER SUPPLY REPLACEMENT AND INSTALLATION TEST MIC 6897070.