Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
September 12, 2023
Submitted
September 14, 2023
Operation
Air carrier
Aircraft
N481WN
Make and model
Boeing 7377H4
Aircraft serial
29853
Aircraft time
64,035 hours, 38,107 cycles
Part
Battery Pack
Part number
UNKNOWN
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

LH OVERWING AISLE AND FLAP GROUND CLEARANCE EMERGENCY LIGHTS INOP.<[01] REMOVED AND REPLACED EMERGENCY POWER SUPPLY AND BATTERY PACK M1670 PER AMM 33-51-06. OPS CHECKED GOOD.

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