Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
January 30, 2026
Submitted
February 6, 2026
Operation
Air carrier
Aircraft
N945WN
Make and model
Boeing 7377H4
Aircraft serial
36660
Aircraft time
51,108 hours, 31,405 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

ALL EMERGENCY LIGHTS COMMON TO M1674 EMERGENCY BATTERY INOPERATIVE. REMOVED & REPLACED AND PERFORMED GOOD TEST OF EMERGENCY BATTERY PACK M1674.IAW AMM 33-51-06-960-805.

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