SDR ASAA2018082725914

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: August 26, 2018
Submitted: August 27, 2018
Operation: Air carrier
Aircraft: N512AS
Make and model: Boeing 737890
Aircraft serial: 39043
Aircraft time: 38,879 hours, 11,703 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Warning Light
Condition: False Activation
Location: Auto Fail
Stage of operation: TX
How discovered: O
Nature of condition: N
Precautionary procedure: D

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

What was found

PRIOR TO TAKEOFF, AUTO FAIL LIGHT ILLUMINATED, AFTER CYCLING SYSTEM TO MANUAL AND BACK TO AUTO THE LIGHT WENT OUT. ACFT GROUNDED. ACCOMPLISHED FIM 21-31, TASK 827, AND FIM 21-31, TASK 801. NO FAULTS ON CABIN PRESSURE CONTROLLERS AND AUTO FAIL LIGHT OUT.