Service difficulty report · Power Supply · Boeing 737990ER

Difficulty date
July 22, 2023
Submitted
July 24, 2023
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
36,066 hours, 11,397 cycles
Part
Power Supply
Part number
D71702001
Condition
Inoperative
Location
Cabin
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

EMERGENCY EXIT LIGHTS AT L1 DOOR INOP. GROUNDED - YES. REPLACED POWER SUPPLY FOR L1 EMER LTS REF AMM 33-51-06.