Service difficulty report · Power Supply · Boeing 777323ER

Difficulty date
July 10, 2024
Submitted
July 10, 2024
Operation
Air carrier
Aircraft
N728AN
Make and model
Boeing 777323ER
Aircraft serial
31553
Aircraft time
41,920 hours, 4,867 cycles
Part
Power Supply
Part number
D71701001
Condition
No Test
Location
L3 Epas
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 WAS NOT GROUNDED: L3 DOOR EPAS BATTERY TEST DID NOT PASS (NO LIGHT). MAINTENAQNCE REPLACED L3 EPAS POWER SUPPLY.