Service difficulty report · Warning System · Boeing 737890

Difficulty date
July 25, 2018
Submitted
July 26, 2018
Operation
Air carrier
Aircraft
N519AS
Make and model
Boeing 737890
Aircraft serial
36482
Aircraft time
36,321 hours, 10,872 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 ILLUMINATES DURING RECALL. ZONE TEMP LIGHT EXTINGUISHES WHEN MASTER CAUTION IS RESET. GROUNDED - YES. PERFORMED PACK/ZONE TEMP CONTROLLER NR 1 AND NR 2 BITE TEST REF AMM 21-61-00-700-806-002. NR 2 CONTROLLER HAS "FLT DECK" FAULT. FAULT CLEARED AFTER RESET. RUN PACKS. NO FAULTS AFTER RECALL.