Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
December 6, 2024
Submitted
December 17, 2024
Operation
Air carrier
Aircraft
N954WN
Make and model
Boeing 7377H4
Aircraft serial
36669
Aircraft time
44,575 hours, 27,199 cycles
Part
Battery Pack
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

EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M1670 ARE INOP.<[01] REMOVED; REPLACED AND PERFORMED GOOD INSTALLATION TEST OF EMERGENCY BATTERY PACK M1670.;[02] VERIFIED CORRECTIVE ACTION #1

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