What was found
AUTOTHROTTLE WILL NOT RE-ARM. ACFT GROUNDED. A/T FFR SHOWED NUMEROUS RATE MONITOR AND NO ASM DATA FAULTS W/ NR 2 ASM BEING AT FAULT, REF MM 22-31-91, REPLACED NR 2 ASM. OPS NORMAL REF SAME MM, CURRENT STATUS AND SERVO MOTOR TEST GOOD.
- Difficulty date
- March 14, 2015
- Submitted
- March 17, 2015
- Operation
- Air carrier
- Aircraft
- N596AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35688
- Aircraft time
- 26,110 hours, 8,100 cycles
- System (JASC)
- 2230 · Auto Throttle System
- Part
- Servo
- Part number
- 305RAA1
- Part serial
- AS08879
- Condition
- Failed
- Location
- Auto Throttle
- Part time
- 3,281 hours, 1,019 cycles
- 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.