Service difficulty report · Battery Pack · Boeing 737823

Difficulty date
April 25, 2021
Submitted
April 28, 2021
Operation
Air carrier
Aircraft
N871NN
Make and model
Boeing 737823
Aircraft serial
31127
Aircraft time
28,936 hours, 11,957 cycles
Part
Battery Pack
Part number
312BS1011
Part serial
3075
Condition
No Test
Location
Emergency Lights
Part time
27,481 hours, 11,336 cycles
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: AISLE CEILING EMERGENCY LIGHT INOPERATIVE AT OVERWING EXIT. REPLACED EMERGENCY LIGHT M1695 BATTERY PACK IAW AMM 33-51-06.