Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
August 15, 2026
Submitted
August 25, 2026
Operation
Air carrier
Aircraft
N8311Q
Make and model
Boeing 7378H4
Aircraft serial
38808
Aircraft time
46,736 hours, 22,242 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

ALL EMERGENCY LIGHTS COMMON TO BATTERY PACK M1675 INOPERATIVE. REPLACED AND PERFORMED GOOD INSTALLATION TEST OF EMERGENCY BATTERY PACK M1675 IAW AMM 33-51-06-960-805.

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