# SDR AALA202004069017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2020
- Submitted: April 8, 2020
- Operation: Air carrier
- Aircraft: [N949AN](https://openairdocs.org/aircraft/N949AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29537
- Aircraft time: 57,989 hours, 23,982 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Motor
- Part number: 305RAA1
- Condition: Malfunctioned
- Location: Autothrottle Sys
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202004069017

## Discrepancy

AIRCRAFT WAS GROUNDED: A/T  CLICKED OFF DURING TAKE OFF ROLL. WAS ONLY ENGEAGED FOR 5 SECONDS OR LESS. TRIED  BOTH FLIGHT F/D AND BOTH A/PS WITHOUT SUCCESS.  REPLACED AUTO THROTTLE SERVO MOTOR 1 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 22-31-91.

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