Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
January 9, 2026
Submitted
January 14, 2026
Operation
Air carrier
Aircraft
N8661A
Make and model
Boeing 7378H4
Aircraft serial
36906
Aircraft time
36,822 hours, 17,978 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

LH OWE EMERGENCY EXIT LIGHTS INOPERATIVE. ACCESSED SIDEWALLS AND DADO PANELS; REMOVED AND REPLACED BATTERY PACKS; PERFORMED GOOD OPS TESTS ON BATTERY PACKS AND REINSTALLED ACCESSED SIDEWALLS AND DADO PANELS IAW AMM 33-51-06 AND AMM 25-21-46 AND AMM 21-23-03.

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