Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
August 2, 2026
Submitted
August 13, 2026
Operation
Air carrier
Aircraft
N8549Z
Make and model
Boeing 7378H4
Aircraft serial
63597
Aircraft time
29,057 hours, 14,713 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

LEFT OVERWING EMERGENCY LIGHTS WERE INOPERATIVE. R & R THE BATTERY PACK IAW AMM 33-51-06. OPS CHKD GOOD IAW AMM 33-51-00.

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