Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
January 14, 2026
Submitted
January 19, 2026
Operation
Air carrier
Aircraft
N485WN
Make and model
Boeing 7377H4
Aircraft serial
32473
Aircraft time
70,780 hours, 42,551 cycles
Part
Battery Pack
Condition
No Test
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

AFT LEFT CABIN M1673 EMERGENCY EXIT LIGHTS FAIL 15 MINUTE CAPACITY CHECK. REMOVED AND REPLACED IAW AMM 33-51-06-960-805-NG.

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