# SDR ASMF200503007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2005
- Submitted: March 11, 2005
- Operation: Air carrier
- Aircraft: [N906AM](https://openairdocs.org/aircraft/N906AM), registered now
- Make and model: Boeing 737*
- Aircraft serial: 29356
- Aircraft time: 1,083 hours, 733 cycles
- System (JASC): [2200 · Auto Flight System](https://openairdocs.org/jasc/2200)
- Part: Module
- Part number: 285A1010106
- Part serial: D03420
- Condition: Failed
- Location: Autoflight
- Part time: 1,083 hours, 733 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF200503007

## Discrepancy

CAPTAIN REPORTED THAT MESSAGE (SPD LIM FLAG IN PFD) WAS SHOWN. REPORT WAS DEFERRED IAW MEL 34-2-1. AIRCRAFT RETURNED TO PLATFORM BECAUSE OF MACH TRIM, AUTO SLAT, LIGHT SPEED TRIM AND YAW DAMPER FAILED. FIM 22-11 TASK 810-811 WAS PERFORMED AND THE SMYD WAS REPLACED IAW MM 27-32-21, TESTED CORRECT, DEFERRED REPORT WAS CLOSED.

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