Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
December 5, 2018
Submitted
December 7, 2018
Operation
Air carrier
Aircraft
N495AS
Make and model
Boeing 737990ER
Aircraft serial
41728
Aircraft time
11,226 hours, 3,693 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

LEFT PACK ILLUMINATED ON RECALL, RESETS WITH PUSH OF MASTER CAUTION BUTTON. GROUNDED - YES. ACCOMPLISHED BITE TEST ON LT PACK/ZONE TEMP CONTROLLER NO FAULT MESSAGE SHOWS IAW FIM TASK 21-62. OK TO CONTINUE SERVICE.