Service difficulty report · Warning Message · Boeing 737890

Difficulty date
December 23, 2014
Submitted
December 26, 2014
Operation
Air carrier
Aircraft
N560AS
Make and model
Boeing 737890
Aircraft serial
35179
Aircraft time
31,884 hours, 9,722 cycles
Part
Warning Message
Condition
False Activation
Location
Cabin Pressure
Stage of operation
TX
How discovered
9
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

PRESSURIZATION MODE CONTROL SHOWED "AUTOFAIL" AND "ALTN" LIGHTS IN AUTO MODE DURING PREFLIGHT. ACFT GROUNDED. NR 2 PRESSURE CONTROLLER LOGGED GROUND FAULT SEL PANEL FAULT. NO HISTORY LAST 30 DAYS. PERFORMED FIM 21-31, TASK 803 & FAULT CLEARED. GROUND FUNCTIONAL CHECK GOOD, REF FIM 21-31, TASK 801.