Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
September 28, 2026
Submitted
October 2, 2026
Operation
Air carrier
Aircraft
N963WN
Make and model
Boeing 7377H4
Aircraft serial
36676
Aircraft time
48,050 hours, 29,743 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
V
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

RIGHT OVERWING EXIT EMERGENCY LIGHT BATTERY IS INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1669 IAW AMM 33-51-06. OPS CHECK GOOD. OPENED AND CLOSED RETURN AIR GRILL FWD OF RT EMERGENCY EXIT DOOR IAW AMM 33-51-06.

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