Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
September 24, 2026
Submitted
October 28, 2026
Operation
Air carrier
Aircraft
N273WN
Make and model
Boeing 7377H4
Aircraft serial
32528
Aircraft time
63,794 hours, 38,573 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zn 200 Fus Top
Stage of operation
IN
How discovered
9
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

INOPERATIVE BATTERY PACK FOR EMERGENCY LIGHTS RT SIDE CENTER CABIN. REPLACED THE BATTERY PACK IAW AMM 33-51-06-960-805, TESTED OK.

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