Service difficulty report · Battery Pack · Boeing 7378

Difficulty date
August 18, 2026
Submitted
August 21, 2026
Operation
Air carrier
Aircraft
N336SR
Make and model
Boeing 7378
Aircraft serial
44482
Aircraft time
17,435 hours, 6,501 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

AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY LIGHT TEST ON PS CHECK, FOUND R1 DOOR AND FIRST CLASS EMERGENCY LIGHTS INOP. MAINTENANCE REPLACED BATTERY PACK IAW AMM 33-51-06.

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