Service difficulty report · Warning System · Boeing 737890

Difficulty date
September 24, 2019
Submitted
September 25, 2019
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
44,549 hours, 13,443 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
LD
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

UPON LANDING ROLLOUT, MASTER CAUTION W/AMBER "AUTO FAIL" AND GREEN "ALTN" ILLUMINATED ON PRESSURIZATION CONTROL PANEL. GROUNDED - YES. BITE OF CABIN PRESSURE CONTROLLER #1 SHOWED OFV FAULT LAST LEG IN HISTORY. ACCOMPLISHED FIM 21-31 TASK 801. BITE OF 1 & 2 CABIN PRESSURE CONTROLLERS GOOD. NO CURRENT FAULTS ON EITHER CONTROLLER. OPS CHECK NORMAL.