Service difficulty report · Unknown · Boeing 737890

Difficulty date
September 21, 2018
Submitted
September 24, 2018
Operation
Air carrier
Aircraft
N529AS
Make and model
Boeing 737890
Aircraft serial
35198
Aircraft time
33,076 hours, 9,952 cycles
Part
Unknown
Condition
Malfunctioned
Location
Autopilot Sys
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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 UPON RECALL. LIGHT EXTINGUISHES UPON RESET. GROUNDED - YES. VERIFIED FAULT, DFCS FAULT REVIEW SHOWS MSG STAB TRIM CLUTCH FCCB (J1C-H03). ACCOMP DFCS BITE CURRENT STATUS NO FAULTS. ACCOMP REPAIR CONFIRMATION ALL TEST PASS REF FIM 22-13 TASK 817. ACCOMP LLM TEST, TEST PASS REF AMM 22-11-31-839-001.