Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
September 10, 2026
Submitted
September 12, 2026
Operation
Air carrier
Aircraft
N941WN
Make and model
Boeing 7377H4
Aircraft serial
36647
Aircraft time
54,384 hours, 33,528 cycles
Part
Battery Pack
Condition
Discharged
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

MULTIPLE EMERGENCY LIGHTS INOPERATIVE. CHARGED EMERGENCY LIGHT POWER SUPPLY BATTERY PACKS IAW AMM 33-51-06. OPS CHKD GOOD.

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