Service difficulty report · Warning System · Boeing 737890

Difficulty date
March 17, 2019
Submitted
March 19, 2019
Operation
Air carrier
Aircraft
N585AS
Make and model
Boeing 737890
Aircraft serial
35683
Aircraft time
44,179 hours, 13,227 cycles
Part
Warning System
Condition
False Indication
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

BOTH PACK CONTROL LIGHTS ILLUMINATE ON RECALL AND CLEAR ON RESET. GROUNDED - YES. C/W AMM 21-61-00, PACK/ZONE TEMP CONTROLLER BITE TEST IS GOOD, THIS CLEARS MEL 21-32B, NO FURTHER DEFECTS NOTED. HISTORY SHOWS "RAM AIR SENSOR" FAULT PREVIOUS FLIGHT.