Service difficulty report · Power Supply · Boeing 737990

Difficulty date
December 27, 2022
Submitted
December 28, 2022
Operation
Air carrier
Aircraft
N305AS
Make and model
Boeing 737990
Aircraft serial
30013
Aircraft time
68,923 hours, 27,660 cycles
Part
Power Supply
Part number
D71702001
Condition
Inoperative
Location
Emergency Lights
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

EXT EMER OFFWING GROUND ILLUMINATION LIGHT INOP. GROUNDED - YES. REMOVE & REPLACE POWER SUPPLY AT ROW 20 LOWER UNIT. REF B737-900 AMM 33-51-06--960-806.