What was found
ON PREFLIGHT ON MCP IAS/MACH NUMBERS WILL NOT REGISTER OR ROTATE WHEN FO SIDE FLIGHT DIRECTOR IS THE MASTER. GROUNDED - YES. PERFORMED DFCS OPS TEST PER AMM 22-11-00 TEST GROUP 12, NO FAULTS NOTED AT THIS TIME.
- Difficulty date
- October 26, 2018
- Submitted
- October 29, 2018
- Operation
- Air carrier
- Aircraft
- N517AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35197
- Aircraft time
- 38,003 hours, 11,251 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.