Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
August 4, 2026
Submitted
August 11, 2026
Operation
Air carrier
Aircraft
N8571Z
Make and model
Boeing 7378H4
Aircraft serial
36957
Aircraft time
27,056 hours, 13,996 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

EMERGENCY EXIT LIGHTS ASSOCIATED WITH M2335 ARE INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACK M2335 AND PERFORMED GOOD INSTALLATION TEST IAW AMM 33-51-06-960-805.

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