Service difficulty report · Battery · Boeing 777223

Difficulty date
September 24, 2020
Submitted
September 25, 2020
Operation
Air carrier
Aircraft
N781AN
Make and model
Boeing 777223
Aircraft serial
29586
Aircraft time
80,296 hours, 9,765 cycles
Part
Battery
Part number
PC1604
Condition
Inoperative
Location
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 GROUNDED (SHORT TERM STORAGE). L1 DOOR EPAS BATTERY ASSEMBLY DOES NOT FLASH GREEN WHEN ARMED. REMOVED AND REPLACED DR L1 EPAS BACK 9V BATTERIES, IAW 52-11-20-400-806-002.