Service difficulty report · Battery Pack · Boeing 777323ER

Difficulty date
February 2, 2024
Submitted
February 4, 2024
Operation
Air carrier
Aircraft
N726AN
Make and model
Boeing 777323ER
Aircraft serial
31550
Aircraft time
40,763 hours, 4,727 cycles
Part
Battery Pack
Condition
Discharged
Location
R3 Epas
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 WAS NOT GROUNDED: DOOR 3R FAILED EPAS BATTERY TEST. MAINTENANCE REMOVED AND INSTALLED A NEW SERVICEABLE EPAS BATTERY MODULE, BATTERY TEST GOOD IAW AMM 52-12-19.