# SDR ASAA2022052238421

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2022
- Submitted: May 24, 2022
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 50,584 hours, 15,071 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Servo
- Part number: 305RAA1
- Part serial: AS05444
- Condition: Inoperative
- Location: Area Fwd Of Nlg
- Part time: 48,508 hours, 14,551 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022052238421

## Discrepancy

AUTO THROTTLES INOP - WILL NOT ENGAGE. GROUNDED - YES. TROUBLESHOT PER B737-800 FIM 22-31 TASK 801, FOUND MAINT MSG 22-31688 ASM 2 FAULT. REPLACED #2 AUTOTHROTTLE SERVO MOTOR PER B737-800 AMM 22-31-91 PG# 401, SYSTEM OPS CHECKED GOOD.

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