Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
June 22, 2016
Submitted
June 24, 2016
Operation
Air carrier
Aircraft
N448AS
Make and model
Boeing 737990ER
Aircraft serial
36356
Aircraft time
853 hours, 284 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

ON RECALL GOT CONTROLLER CABIN ZONE TEMP LIGHT. IT EXTINGUISHED WHEN MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED BITE PROCEDURE ON PFTC IAW FIM 21-62-00-810-801. NO CURRENT FAULTS FOUND AT THIS TIME. PERFORMED BITE PROCEDURE ON FAULT HISTORY FOUND ON LEG 6, FLIGHT LEG FOUND FAULTS 21-51311 21-51220 21-51217. RAN BITE PROCEDURE IAW FIM 21-62, TASK 801. NO FAULT CURRENT AT THIS TIME.