# SDR ASAA11510132

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2011
- Submitted: July 20, 2011
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 14,368 hours, 4,642 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Servo
- Part number: 305RAA1
- Part serial: AS05021
- Condition: Faulty
- Location: Autothrottle Sys
- Part time: 13,901 hours, 4,498 cycles
- Stage of operation: CL
- 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/ASAA11510132

## Discrepancy

AUTO THROTTLES FAILED AFTER T/O.  SWITCH ONLY STAYS ENGAGED ABOUT 3 4 SEC.  REF FIM:22 31/801 A/T LOGGED ON RELATED FLT LEG ASM1 FAULT AND SERVO MOTOR TEST INTERMITTENTLY FAILS ASM1 #22 31780.  REPLACED NR 1 ASM REF MM 22 31 91, OPS CHECK NORMAL.

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