# SDR ASAA0954972

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2009
- Submitted: April 1, 2009
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 795 hours, 234 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Computer
- Part number: 8221604101
- Part serial: 17CLDY
- Condition: Malfunctioned
- Location: Autothrottle Sys
- Part time: 795 hours, 234 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0954972

## Discrepancy

AUTO THROTTLE DOES NOT ENGAGE.  A/T LOGGED FAULT NR 22 31501 ON DEFECT LEG 51 TIMES.  PERFORMED FIM:22 31/805 A/T CURRENT STATUS TEST SERVO MOTOR TEST & A/C SERVO MOTOR WIRING CHECK ALL NORMAL.  REPLACED "A" FCC COMP PRECAUTIONARY REF MM L22 11 33 SOFTWARE CK OK FCC OPS CK & A/T CURRENT STATUS CHECK, ALL NORMAL.  SEAMC NOTIFIED.

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