Service difficulty report · Power Supply · Boeing 737890

Difficulty date
February 18, 2024
Submitted
February 20, 2024
Operation
Air carrier
Aircraft
N592AS
Make and model
Boeing 737890
Aircraft serial
35190
Aircraft time
57,893 hours, 17,283 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

R1 EMERG EXIT SIGN IS INOP. GROUNDED - YES. TROUBLESHOT AND FOUND BAD POWER SUPPLY M1674 IAW ASA B737-800 WDM 33-51-12. REMOVED AND REPLACED POWER SUPPLY AND OPS CHECK GOOD IAW AMM 33-51-06.