# SDR ASAA2012090992854

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2012
- Submitted: September 11, 2012
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 13,750 hours, 4,180 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Autothrottle Sys
- Condition: Malfunctioned
- Stage of operation: CR
- 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/ASAA2012090992854

## Discrepancy

AUTOTHROTTLES WILL NOT STAY ENGAGED.  CONSTANTLY CLICKED OFF, T/O CLIMB & CRUISE.  UNABLE TO DUPLICATE. AUTOTHROTTLES OPS TESTED GOOD REF MM 22-31-00.  SERVO MOTOR TEST OPS NORMAL REF SYS TEST 22-31-00, STEP I.  NO FAULTS.

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