Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
October 3, 2023
Submitted
October 5, 2023
Operation
Air carrier
Aircraft
N953WN
Make and model
Boeing 7377H4
Aircraft serial
36668
Aircraft time
40,914 hours, 25,050 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Failed
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

EMERGENCY LIGHT BATTERIE PACKS FAILED CAPACITY TEST AT LOCATIONS M1674; M1669; M1673 EMERGENCY LIGHT BATTERIE PACKS FAILED CAPACITY TEST AT LOCATIONS M1674 M1669 M1673<[01] REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACKS AT LOCATIONS M1674 M1669; M1673 OPS CHECK GOOD; PER AMM 33-51-06

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