What was found
VNAV DISCONNECT DURING ARRIVAL- COULD NOT RE-ENGAGE. GROUNDED - YES. PERFORMED FIM 22-11 TASK 801, BITE PROC. WITH LAND VERIFY, INTERACTIVE & SURFACE TEST PASSED. CHECKED GOOD. OPS NORMAL.
- Difficulty date
- June 25, 2018
- Submitted
- June 27, 2018
- Operation
- Air carrier
- Aircraft
- N568AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35183
- Aircraft time
- 43,619 hours, 13,263 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
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.