Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
September 19, 2025
Submitted
September 22, 2025
Operation
Air carrier
Aircraft
N8564Z
Make and model
Boeing 7378H4
Aircraft serial
42545
Aircraft time
24,727 hours, 12,808 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
Component
Emergency Light
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

FOUND SEVERAL EMERGENCY LIGHTS IN AFT CABIN LEFT SIDE NOT STAYING LIT WHEN TURNED ON. REPLACED BATTERY PACK AT LOCATION M1673 IAW AMM 33-51-06.

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