Service difficulty report · Battery Pack · Boeing 777323ER

Difficulty date
March 26, 2025
Submitted
March 27, 2025
Operation
Air carrier
Aircraft
N727AN
Make and model
Boeing 777323ER
Aircraft serial
33541
Aircraft time
45,272 hours, 5,250 cycles
Part
Battery Pack
Part number
BPAS105
Part serial
1877
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: R3 DOOR EPAS BATTERY PACK RED LIGHT TEST DOES NOT ILLUMINATE. MAINTENANCE REPLACED R3 DOOR EPAS BATTERY PACK IAW AMM 52-12-24.