What was found
A/T WILL NOT ENGAGE. SWITCH GOES OFF AFTER ABOUT 2 SECONDS. RED A/T ANNUNCIATOR LIGHT FLASHES. REPLACED NR 1 AND NR 2 AUTOTHROTTLE SERVO MOTORS AND PERFORMED GOOD INSTALLATION TEST REF 22-31-92.
- Difficulty date
- February 22, 2013
- Submitted
- March 5, 2013
- Operation
- Air carrier
- Aircraft
- N508AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35691
- Aircraft time
- 17,573 hours, 5,513 cycles
- System (JASC)
- 2230 · Auto Throttle System
- Part
- Servo
- Part number
- 305RAA1
- Part serial
- AS05554
- Condition
- Failed
- Location
- Autothrottle
- Part time
- 17,600 hours, 5,519 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.