Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
September 8, 2018
Submitted
September 10, 2018
Operation
Air carrier
Aircraft
N459AS
Make and model
Boeing 737990ER
Aircraft serial
36352
Aircraft time
18,126 hours, 6,003 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

SPEED TRIM FAILED ON MASTER CAUTION RECALL. GROUNDED - YES. PERFORMED DFCS BITE TEST FOR SPEED TRIM REF FIM 22-11 TASK 801. NO FAULTS. TESTS PASS.