Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
January 12, 2019
Submitted
January 16, 2019
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
20,736 hours, 6,795 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
TX
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

AFTER START ON RECALL THE AFT CAB ZONE TEMP LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED TEMP CONTROLLER BITE CHECK REF FIM TASK 21-61-00-810-801 NO FAULTS FOUND. NO HISTORY PAST 30 DAYS FOR AFT CABIN ZONE TEMP. GROUND VERIFICATION CHECKS NORMAL.