Service difficulty report · Warning System · Boeing 737890

Difficulty date
March 5, 2019
Submitted
March 11, 2019
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
42,451 hours, 12,787 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 CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL EXTINGUISHED WITH MC RESET. GROUNDED - YES. PERFORMED PACK/ZONETEMP CONT BITE TEST PER AMM 21-61-00 SYSTEM CHECKS GOOD.