Service difficulty report · Battery Pack · Boeing 7378

Difficulty date
April 23, 2026
Submitted
April 27, 2026
Operation
Air carrier
Aircraft
N8748Q
Make and model
Boeing 7378
Aircraft serial
61871
Aircraft time
16,290 hours, 7,572 cycles
Part
Battery Pack
Condition
Discharged
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 SERVICE DOOR EXTERIOR EMERGENCY LIGHT IS INOPERATIVE. CHARGED BATTERY PACKS FOR 90 MINUTES AND PERFORMED GOOD TEST OF LT AFT SERVICE DOOR EXTERIOR EMERGENGY LIGHT IAW AMM 33-51-04-960-801.

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