Service difficulty report · Battery Pack · Boeing 737890

Difficulty date
February 2, 2020
Submitted
February 4, 2020
Operation
Air carrier
Aircraft
N514AS
Make and model
Boeing 737890
Aircraft serial
35193
Aircraft time
43,297 hours, 12,904 cycles
Part
Battery Pack
Part number
ASD71701100
Condition
No Test
Location
Emergency Lights
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

EMERGENCY LIGHTS AT L2 DOOR FAILED BATTERY CAPACITANCE CHECK PER TASK CARD# 78233001. PACK FAILED AFTER DEEP CYCLE. GROUNDED - YES. REMOVED AND REPLACED L2 DOOR BATTERY PACK PER B737-800 AMM TASK 33-51-06-960-805, LIGHTS TEST GOOD.