Service difficulty report · Battery Pack · Boeing 737990ER

Difficulty date
May 15, 2023
Submitted
May 16, 2023
Operation
Air carrier
Aircraft
N479AS
Make and model
Boeing 737990ER
Aircraft serial
60576
Aircraft time
27,793 hours, 8,653 cycles
Part
Battery Pack
Part number
D71701100
Condition
Inoperative
Location
Main Passenger C
Stage of operation
IN
How discovered
O
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

EMERGENCY LIGHTS AROUND L1 DOOR ARE INOP. GROUNDED - YES. REMOVED, REPLACED AND OP TEST IS GOOD OF EMERGENCY LIGHT L1 DOOR POWER SUPPLY IAW B737-900 AMM 33-51-06-960-806.