# SDR CA000404015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2000
- Submitted: June 23, 2000
- Operation: General aviation
- Make and model: Snias AS350B
- Aircraft time: 8,078 hours
- Engine: Tmeca ARRIEL1B
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- Part: Tachometer
- Part number: 0177556170
- Condition: Failed
- Location: Internal
- Component: Compressor Bleed
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA000404015

## Discrepancy

(CAN) TACHOMETER BOX FAILED TO SEND SIGNAL TO BLEED VALVE, CAUSING VALVE NOT TO CLOSE.

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