Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
June 9, 2020
Submitted
June 12, 2020
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
55,517 hours, 32,839 cycles
Part
Battery Pack
Condition
Discharged
Location
Cabin
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 EXIT LIGHTS COMMON TO BATTERY PACK M 1674 INOP. REPLACED EMERGENCY EXIT LIGHTS BATTERY PACK M1674 AND PERFORMED GOOD OPS CHECK PER AMM 33-51-06-960-805.

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