Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
June 25, 2025
Submitted
June 30, 2025
Operation
Air carrier
Aircraft
N917WN
Make and model
Boeing 7377H4
Aircraft serial
36624
Aircraft time
55,899 hours, 33,847 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
V
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

ONE OVERWING ESCAPE GROUND ILLUMINATION AND TWO AISLE EMERGENCY LIGHTS ON L/H SIDE INOP <[01]. REMOVED AND REPLACED E-LIGHT BATTERY PACK (M1670) PER AMM 33-51-06. ALL E-LIGHTS OPS CHECK GOOD.

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