Service difficulty report · Unknown · Boeing 737890

Difficulty date
April 22, 2017
Submitted
April 24, 2017
Operation
Air carrier
Aircraft
N506AS
Make and model
Boeing 737890
Aircraft serial
35690
Aircraft time
33,724 hours, 10,290 cycles
Part
Unknown
Condition
Malfunctioned
Location
Autopilot Sys
Stage of operation
NR
How discovered
O
Nature of condition
J
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 FAIL" LIGHT ILLUMINATED ON RECALL - EXTINGUISHED UPON RESET. GROUNDED - YES. PERFORMED FLIGHT CONTROL SYSTEM BITE PROCEDURE REF AMM 22-11 TASK 801. PASSES ALL TESTS. LAND VERIFY TESTS PASS REF AMM 22-00-01. HGS OPERATIONAL TESTS PASS REF AMM 34-36-00. LWMP STATUS REMAINS CAT 111A AUTOLAND + HGS. NO HISTORY 30 DAYS.