Service difficulty report · Battery Pack · Boeing 747446

Difficulty date
October 5, 2021
Submitted
October 6, 2021
Operation
Air carrier
Aircraft
N936CA
Make and model
Boeing 747446
Aircraft serial
25308
Aircraft time
79,055 hours, 16,138 cycles
Part
Battery Pack
Part number
20121
Part serial
2728
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EMERGENCY EXIT LIGHT BATTERY IS DEAD. - REMOVED AND REPLACED EMERGENCY EXIT BATTERY CHARGER IN ACCORDANCE WITH AIRCRAFT MAINTENANCE MANUAL 33-51-04