Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
July 3, 2026
Submitted
July 8, 2026
Operation
Air carrier
Aircraft
N8512U
Make and model
Boeing 7378H4
Aircraft serial
38816
Aircraft time
31,850 hours, 15,965 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

EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1672 ARE INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHTS BATTERY PACK M1672 AND PERFORMED SATISFACTORY INSTALLATION TEST PER AMM 33-51-06-960-805.

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