Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
January 9, 2024
Submitted
January 16, 2024
Operation
Air carrier
Aircraft
N235WN
Make and model
Boeing 7377H4
Aircraft serial
34630
Aircraft time
58,729 hours, 35,469 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Inoperative
Location
Zn 200 Fus Top
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

MULTIPLE EMERGENCY EXIT LIGHTS ASSOCIATED WITH EMERGENCY BATTERY PACK M1674 INOP<[01] REPLACED BATTERY PACK M1674 AND PERFORMED GOOD TEST PER AMM 33-51-06-960-806.;[02] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.

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