Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
January 5, 2026
Submitted
January 13, 2026
Operation
Air carrier
Aircraft
N919WN
Make and model
Boeing 7377H4
Aircraft serial
36625
Aircraft time
56,768 hours, 34,183 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 EXIT LIGHTS ASSOCIATED WITH EMERGENCY EXIT BATTERY PACK M1674 DO NOT ILLUMINATE. REMOVED AND REPLACED EMERGENCY EXIT BATTERY PACK M1674 IAW AMM 33-51-06-960-806. PERFORMED A GOOD FUNTIONAL TEST.

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