Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
January 15, 2026
Submitted
January 17, 2026
Operation
Air carrier
Aircraft
N757AN
Make and model
Boeing 777223
Aircraft serial
32636
Aircraft time
91,275 hours, 11,850 cycles
Part
Battery Pack
Part number
285W0955102
Part serial
D02451
Condition
Inoperative
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 R1 EPAS SAFTEY SWITCH DOES NOT BLINK WHEN ARMED. MAINTENANCE REPLACED EPAS BATTERY PACK AT DOOR R1 IAE 52-11-20.