Service difficulty report · Warning System · Boeing 737890

Difficulty date
January 28, 2019
Submitted
January 29, 2019
Operation
Air carrier
Aircraft
N596AS
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
40,751 hours, 12,411 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

CONT CABIN LIGHT ON RECALL. RESETS ON MASTER CAUTION RESET. GROUNDED - YES. VERIFIED - PERFORMED FIM 21-62 TASK 801 - NR 2 TEMP CNTLR SHOWED FLT DECK TRIM VALVE FAULT. PERFORMED FIM 21-67 TASK 833, FAULT RESET. RAN APU/PACKS AT VARYING CABIN TEMPS W/ NO FURTHER ISSUES AND NO FAULTS ON EITHER CNTLRS. GROUND VERIFICATION CHECK GOOD.