# SDR ASAA2013103196270

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2013
- Submitted: November 5, 2013
- Operation: Air carrier
- Aircraft: [N433AS](https://openairdocs.org/aircraft/N433AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41704
- Aircraft time: 91 hours, 34 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Actuator
- Part number: 2A7206B
- Part serial: B4747
- Condition: Failed
- Location: Mach Trim
- Part time: 98 hours, 35 cycles
- Stage of operation: AP
- 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/ASAA2013103196270

## Discrepancy

MACH TRIM FAIL LIGHT ILLUMINATED BRIEFLY DURING ARRIVALS AT FIRST FLAP EXTENSION.  ACFT GROUNDED.  REPLACED MACH TRIM ACTUATOR.  OPS CHECKED GOOD IAW AMM 22-11-24.

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