Service difficulty report · Power Supply · Boeing 777223

Difficulty date
April 8, 2026
Submitted
April 9, 2026
Operation
Air carrier
Aircraft
N786AN
Make and model
Boeing 777223
Aircraft serial
30250
Aircraft time
99,738 hours, 12,591 cycles
Part
Power Supply
Condition
No Test
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: DOOR 2R EPAS BATTERY PACK FAILED OPERATIONAL TEST. MAINTENANCE REPLACED 2R DOOR EPAS BATERY PACK IAW AMM 52-11-20-400-805-002 AND PERFORMED OPERATIONAL TEST IAW AMM 52-11-20-700-803-002.