Service difficulty report · Warning System · Boeing 737890

Difficulty date
June 26, 2018
Submitted
June 29, 2018
Operation
Air carrier
Aircraft
N566AS
Make and model
Boeing 737890
Aircraft serial
35182
Aircraft time
44,127 hours, 13,235 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
NR
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

FWD CAB ZONE TEMP ILLUMINATED ON RECALL. RESETS AS WELL. GROUNDED - YES. FAULT CODE 21622100 FIM 21-62 TASK 843. INITIAL INSPECTION NO FWD CAB ZONE LIGHT ON RECALL. NO FAULT LOGGED ON EITHER TEMP CONTROLLER. PERFORMED PACK TEMP CONTROL BITE TEST REF FIM 21-62 TASK 801. NO FAULT NOTED.