Service difficulty report · Warning System · Boeing 737890

Difficulty date
April 24, 2017
Submitted
April 26, 2017
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
41,387 hours, 12,131 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
NR
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

ZONE TEMP, CONT CAB ILLUMINATED ON RECALL. LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. FLIGHT DECK TRIM VALVE FAULT ON NR 2 ZONE TEMP CONTROLLER RESET & TESTS NORMAL PER FIM 21-62 TASK 801. GROUND VERIFICATION SUCCESSFUL.