What was found
AUTOTHROTTLE BITE LOGGED ASM #1 MONITOR FAIL ON FLIGHT LEG 1 AND #1 ASM INTERACTIVE TEST FAILED SUBSEQUENT TESTING. GROUNDED - YES. REMOVED AND REPLACED # 1 AUTOTHROTTLE SERVO MOTOR REF B737-900 AMM 22-31-91/401.
- Difficulty date
- January 17, 2023
- Submitted
- January 19, 2023
- Operation
- Air carrier
- Aircraft
- N462AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36362
- Aircraft time
- 32,156 hours, 10,177 cycles
- System (JASC)
- 2230 · Auto Throttle System
- Part
- Servo
- Part number
- 305RAA1
- Part serial
- AS09128
- Condition
- Failed
- Location
- Autothrottle Sys
- Part time
- 33,756 hours, 10,676 cycles
- 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.