Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
January 24, 2026
Submitted
January 29, 2026
Operation
Air carrier
Aircraft
N8679A
Make and model
Boeing 7378H4
Aircraft serial
36932
Aircraft time
33,045 hours, 16,386 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 LIGHTS RELATED TO BATTERY PACK M1694 ARE INOPERATIVE (L1208, L1207, M2838, & M2837). REMOVED, REPLACED, & PERFORMED GOOD OPS CHECK OF EMERGENCY LIGHTS RELATED TO BATTERY PACK M1694 IAW AMM 33-51-06-960-805.

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