Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
August 6, 2026
Submitted
August 11, 2026
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 7377H4
Aircraft serial
33855
Aircraft time
69,099 hours, 41,574 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
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 LIGHTS, BATTERY PACK M1675 INOPERATIVE. R & R THE BATTERY PACK M1675 & PERFORMED SATISFACTORY OPS CHECK IAW AMM 33-51-06-960-805.

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