# SDR ASAA2016032016024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2016
- Submitted: March 23, 2016
- Operation: Air carrier
- Aircraft: [N442AS](https://openairdocs.org/aircraft/N442AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43293
- Aircraft time: 9,210 hours, 2,990 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Autothrottle Sys
- Condition: Malfunctioned
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016032016024

## Discrepancy

AUTOTHROTTLES WILL NOT STAY ENGAGED IN ANY MODE OR FLIGHT.  ACFT GROUNDED. ACCOMPLISHED A/T BITE REF FIM 22-31, TASK 801.  FOUND LOGGED 7X ASM 2 MESSAGE 22-31688. TORQUE TEST SHOWS NR 1 T-6.1 AND NR 2 T-6.7.  PERFORMED OPS TEST, INTERACTIVE TEST, AND SERVO MOTOR TESTS 4X, ALL TESTS PASSED.

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