Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
June 11, 2018
Submitted
June 12, 2018
Operation
Air carrier
Aircraft
N477AS
Make and model
Boeing 737990ER
Aircraft serial
40716
Aircraft time
12,050 hours, 3,939 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFTER LANDING, EXITING RUNWAY, AUTO FAIL LIGHT ILLUMINATED, FOLLOWED BY ALTN LIGHT ILLUMINATION. GROUNDED - YES. PERFORMED FIM 21-31 TASK 827, AUTO FAIL LIGHT, EXTINGUISHED, GROUND VERIFICATION SUCCESSFUL.