Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
December 19, 2022
Submitted
December 29, 2022
Operation
Air carrier
Aircraft
N275WN
Make and model
Boeing 7377H4
Aircraft serial
36153
Aircraft time
51,166 hours, 30,696 cycles
Part
Battery Pack
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 LIGHT BATTERY PACKS FAILED A CAPACITY CHECK, FWD CABIN. REMOVED AND REPLACED THE BATTERY PACKS AT M1674 AND M1675 IAW AMM 33-51-06-960-805. PERFORMED EMERGENCY LIGHT TEST, FOUND NORMAL.

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