Service difficulty report · Power Supply · Boeing 777223

Difficulty date
April 26, 2026
Submitted
May 1, 2026
Operation
Air carrier
Aircraft
N791AN
Make and model
Boeing 777223
Aircraft serial
30254
Aircraft time
97,573 hours, 12,785 cycles
Part
Power Supply
Condition
Faulty
Location
Zone 800
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 FAILED EPAS BATTERY OPERATIONAL TEST AMBER LIGHT DOES NOT COME ON. MAINTENANCE REPLACED EPAS.