Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
February 25, 2026
Submitted
March 10, 2026
Operation
Air carrier
Aircraft
N8527Q
Make and model
Boeing 7378H4
Aircraft serial
36946
Aircraft time
29,781 hours, 15,061 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 SIDEWALL EMERGENCY LIGHTS INOPERATIVE. AT OVER WING EMERGENCY EXIT. REMOVED AND REPLACED LT OVERWING EMERGENCY EXIT LIGHT BATTERY PACK. LIGHTS OPS CHKD GOOD IAW MM.33-51-06.

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