Service difficulty report · Battery · Boeing 777300ER

Difficulty date
November 9, 2025
Submitted
November 11, 2025
Operation
Air carrier
Aircraft
N2352U
Make and model
Boeing 777300ER
Aircraft serial
66592
Aircraft time
24,821 hours, 2,960 cycles
Part
Battery
Part number
285W0955102
Part serial
F13080
Condition
Inoperative
Location
Zone 800 Epas
Part time
26,124 hours, 3,001 cycles
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

DOOR 4R EPAS BATTERY GREEN TEST LIGHT NOT ILLUMINATED/BLINKING. REMOVED DOOR 4R EPAS BATTERY PACK REF AMM 52-12-20-000-803-002. REPLACED DOOR 4R BATTERY PACK MODULE REF AMM 52-12-20-400-802-002. EPAS BATTERY OPS TEST GOOD, GREEN TEST LIGHT ILLUMINATED/BLINKING.

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