SDR ASAA2018081325735

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: August 12, 2018
Submitted: August 13, 2018
Operation: Air carrier
Aircraft: N597AS
Make and model: Boeing 737890
Aircraft serial: 35689
Aircraft time: 39,637 hours, 12,147 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Warning Light
Condition: False Activation
Location: Pressure Panel
Stage of operation: TX
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

DURING PREFLIGHT, FOUND THE AUTO FAIL & MANUAL LIGHTS ILLUMINATED ON PRESSURIZATION CONTROL PANEL. ACFT GROUNDED. REPOSITIONED PRESSURIZATION MODE TO MANUAL & BACK TO AUTO, LIGHTS EXTINGUISHED. PERFORMED A BITE ON DCPC, FOUND NO FAULTS IAW FIM 21-31, TASK 801.