Service difficulty report · Battery Pack · Boeing 737990ER

Difficulty date
February 3, 2025
Submitted
February 6, 2025
Operation
Air carrier
Aircraft
N479AS
Make and model
Boeing 737990ER
Aircraft serial
60576
Aircraft time
34,119 hours, 10,521 cycles
Part
Battery Pack
Part number
D71702001
Condition
Inoperative
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

EMERGENCY LIGHT SYSTEM BATTERY PACK M2626 INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT SYSTEM BATTERY PACK M2626 S/N 124409 IAW B737-900 AMM 33-51-06-960-806. OPS CK GOOD.