Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
March 31, 2021
Submitted
April 5, 2021
Operation
Air carrier
Aircraft
N214WN
Make and model
Boeing 7377H4
Aircraft serial
32486
Aircraft time
54,166 hours, 31,994 cycles
Part
Battery Pack
Condition
Faulted
Location
Emergency Lights
Stage of operation
IN
How discovered
9
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

OVER WING EMERGENCY EXIT LIGHT REMAIN ILLUMINATED WHEN SWITCH IN ARMED POSITION / FOUND LEFT HAND EMERGENCY EXIT POWER SUPPLY POPPING BREAKER; R&R'D M1668 POWER SUPPLY AND BATTERY PACK PER MM 33-51-06. OPS CHECK GOOD.

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