Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
May 17, 2026
Submitted
May 20, 2026
Operation
Air carrier
Aircraft
N8558Z
Make and model
Boeing 7378H4
Aircraft serial
63602
Aircraft time
27,975 hours, 14,262 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 FWD OVERWING EMERGENCY EXIT LIGHT INOPERATIVE. REMOVED AND REPLACED THE POWER SUPPLY BATTERY PACK IAW AMM 33-51-06-960-805-NG.

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