Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
December 11, 2025
Submitted
December 12, 2025
Operation
Air carrier
Aircraft
N8574Z
Make and model
Boeing 7378H4
Aircraft serial
63588
Aircraft time
24,710 hours, 12,760 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

L1 EMERGENCY LIGHTS INOPERATIVE. R & R THE L1 EMERGENCY LIGHT BATTERY PACK IAW AMM 33-51-06. OPS CHECK GOOD.

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