Service difficulty report · Battery · Boeing 777323ER

Difficulty date
April 29, 2021
Submitted
April 30, 2021
Operation
Air carrier
Aircraft
N732AN
Make and model
Boeing 777323ER
Aircraft serial
31549
Aircraft time
26,336 hours, 2,988 cycles
Part
Battery
Part number
S906101358011
Condition
No Test
Location
L1 Door Emer Pwr
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: L1 DOOR EMERGENCY POWER ASSIST SYSTEM BATTERY GREEN LIGHT FAILED TO ILLUMINATE DURING OPERATIONAL TEST.REPLACED BACKUP BATTERY PER AMM 52-12-20 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.