What was found
IN BOTH VNAV AND LEVEL CHANGE, AUTO THROTTLES TRANSITION DIRECTLY TO THE ARM MODE AND DO NOT RETARD. GROUNDED-YES. ACCOMPLISHED B737-800 FIM 22-31 TASK 801, NO FAULTS FOUND.
- Difficulty date
- December 13, 2020
- Submitted
- December 16, 2020
- Operation
- Air carrier
- Aircraft
- N537AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35204
- Aircraft time
- 33,585 hours, 9,786 cycles
- System (JASC)
- 2230 · Auto Throttle System
- Part
- Autothrottle Sys
- Condition
- Malfunctioned
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.