# SDR ASAA2015081912949

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2015
- Submitted: August 21, 2015
- Operation: Air carrier
- Aircraft: [N597AS](https://openairdocs.org/aircraft/N597AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35689
- Aircraft time: 28,163 hours, 8,699 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Autothrottle Sys
- Condition: Malfunctioned
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015081912949

## Discrepancy

AUTO THROTTLES WILL NOT STAY ENGAGED.  ACFT GROUNDED. ACCOMPLISHED AUTOTHROTTLE SYSTEM OPS TEST REF MM 22-31-00-710-801.  ALL TESTS PASSED.  GROUND VERIFICATION SUCCESSFUL.  ACFT UPGRADED TO CAT IIIA AUTOLAND & HOUSING STATUS SCREW REFLECTS THE SAME.

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