# SDR ASAA2014052107893

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2014
- Submitted: May 23, 2014
- Operation: Air carrier
- Aircraft: [N408AS](https://openairdocs.org/aircraft/N408AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41732
- Aircraft time: 5,715 hours, 1,815 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Autothrottle Sys
- Condition: Malfunctioned
- Stage of operation: CL
- 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/ASAA2014052107893

## Discrepancy

AUTOTHROTTLES WOULD NOT ENGAGE AFTER TAKEOFF.  CIRCUIT BREAKER (P-18-1) FOUND OPEN.  IT WAS CONFIRMED CLOSED BY BOTH PILOTS DURING PREFLIGHT.  ACFT GROUNDED.  RESET CIRCUIT BREAKER IAW MM 20-60-01.  AUTOTHROTTLE OPS TESTED GOOD IAW MM 22-31-00.

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