Service difficulty report · Power Supply · Boeing 737890

Difficulty date
October 25, 2021
Submitted
November 2, 2021
Operation
Air carrier
Aircraft
N538AS
Make and model
Boeing 737890
Aircraft serial
41188
Aircraft time
35,127 hours, 10,270 cycles
Part
Power Supply
Part number
D71702001
Condition
Inoperative
Location
Emergency Exit
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

3 OF 5 EMERGENCY LIGHTS ON POWER SUPPLY M1670 INOP. GROUNDED - YES. REMOVED AND REPLACED M1670 BATTERY POWER SUPPLY IAW B737-800 AMM 33-51-06-960-806.OPS CHECK GOOD.