SDR SWAA2020032442694

Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date: March 19, 2020
Submitted: March 24, 2020
Operation: Air carrier
Aircraft: N424WN
Make and model: Boeing 7377H4
Aircraft serial: 29828
Aircraft time: 61,632 hours, 36,258 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Condition: Discharged
Location: Cabin
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

INTERIOR EMERGENCY LIGHTS AISLE 6, 9, 11 AND L/H ROW 16, LEFT OVERWING EXITS AND MID CABIIN CENTER AISLE LIGHT ASSY INOP. REPLACED BATTERY PACKS ON M1668 AND M1670 AS PER B737 AMM 33-51-06-960-801 REPLACED FUSES ON M1668 AS PER B737 AMM 33-51-06-960-804 OPERATIONAL CHECK NORMAL AS PER B737 AMM 33-51-00-710-801. MS 31863 3/21/20

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