Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
September 17, 2026
Submitted
September 25, 2026
Operation
Air carrier
Aircraft
N8549Z
Make and model
Boeing 7378H4
Aircraft serial
63597
Aircraft time
29,229 hours, 14,805 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

FORWARD SERVICE DOOR (R1) EMERGENCY EXIT SIGNS ARE INOPERATIVE. REMOVED, REPLACED, & PERFORMED A OPS CHK OF M2816 EMERGENCY BATTERY PACK IAW AMM 33--51-00.

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