Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
February 27, 2019
Submitted
March 1, 2019
Operation
Air carrier
Aircraft
N483AS
Make and model
Boeing 737990ER
Aircraft serial
36350
Aircraft time
14,165 hours, 4,664 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

RT PACK TRIP ON MASTER CAUTION RECALL. PACK LIGHT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. #2 ZTC LOGGED TCV FAULT - SYS BITE TESTS GOOD. FAULT RESET.