What was found
AUTO THROTTLE DISENGAGED ON ITS OWN AND WOULD NOT RE-ENGAGE. ACFT GROUNDED. PERFORMED AUTO THROTTLE BITE TEST REF AMM TASK 22-31-00-710-801, NO DEFECTS NOTED. PERFORMED DFGS BITE TEST GROUP NR 43, NO DEFECTS NOTED.
- Difficulty date
- December 14, 2015
- Submitted
- December 16, 2015
- Operation
- Air carrier
- Aircraft
- N593AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35107
- Aircraft time
- 29,806 hours, 9,183 cycles
- Engine
- Cfmint CFM567B26US
- System (JASC)
- 2230 · Auto Throttle System
- Part
- Autothrottle Sys
- Condition
- Disengaged
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.