# SDR AMW082646

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2007
- Submitted: February 20, 2007
- Operation: Air carrier
- Aircraft: N161YV
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE161
- Aircraft time: 19,708 hours, 37,720 cycles
- Engine: Pwa PT6A67D
- System (JASC): [2220 · Speed-Attitude Correction System](https://openairdocs.org/jasc/2220)
- Part: Dpu
- Part number: 6229682002
- Part serial: 715
- Condition: Will Not Arm
- Part time: 19,708 hours, 37,720 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AMW082646

## Discrepancy

AFTER T/O, THE FOS FEES COMPARE (PUSH TO RESET) BUTTON ILLUMINATED AND WOULD NOT RESET.   AC RETURNED TO FIELD WITH NO OTHER INCIDENT.  REMOVED AND REPLACED NR1 DPU, INSPECTED WIRING, OPS NORMAL.

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