Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
July 13, 2022
Submitted
July 25, 2022
Operation
Air carrier
Aircraft
N402WN
Make and model
Boeing 7377H4
Aircraft serial
29814
Aircraft time
39,240 hours, 66,981 cycles
Part
Battery Pack
Condition
Inoperative
Location
Cabin
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

EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1669 ARE INOP / [01] REMOVED AND REPLACED BATTERY PACK AT M1669 AND PERFORMED GOOD INSTALLATION TEST AS PER AMM 33-51-06-960-805 WITH NO FAULTS NOTED;[02] VERIFIED CORRECTIVE ACTION ITEM 1; CARD COMPLETE.

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