Service difficulty report · Warning System · Boeing 737890

Difficulty date
February 12, 2019
Submitted
February 20, 2019
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
42,770 hours, 12,885 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
D

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFTER START ON RECALL "FLT CONT" LIGHT "ON" AND "MACH TRIM" AND AUTO SLAT" FAIL LIGHT "ON" ON OVERHEAD. ALL LIGHTS RESET WITH MASTER CAUTION RESET BUTTON. GROUNDED - YES. RESET SYSTEM AND RE-RAN SPEED TRIM TEST, OPS CHECK GOOD. RAN BITE LIBRARY TESTS IAW AMM 22-11-00-740-806, OPS CHECK GOOD. RAN LRU REPLACEMENT TEST FOR FCC IAW AMM TASK 22-11-33-400-801/SUBTASK 22-11-33-740-001, OPS CHECK GOOD. NO HISTORY LAST 30 DAYS, AIRCRAFT IS AUTOLAND AND HGS CAT III QUALIFIED.