Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
July 8, 2026
Submitted
July 14, 2026
Operation
Air carrier
Aircraft
N8310C
Make and model
Boeing 7378H4
Aircraft serial
38807
Aircraft time
46,432 hours, 21,968 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

LEFT AFT EMERGENCY LIGHTS INOPERATIVE. REMOVED & REPLACED, PERFORMED GOOD INSTALLATION TEST OF M1673 EMERGENCY POWER SUPPLY BATTERY PACK IAW AMM 33-51-06-960-805.

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