# SDR CA000824015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2000
- Submitted: January 19, 2001
- Operation: Air carrier
- Make and model: Snias AS350BA
- Aircraft time: 3,961 hours
- Engine: Tmeca ARRIEL1B
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Control Unit
- Part number: 0177555170
- Condition: Intermittent
- Location: Engine
- Stage of operation: CR
- 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/CA000824015

## Discrepancy

(CAN) A RECURRING DEFECT WAS ATTRIBUTED TO THE FOLLOWING REPAIRED TACH BOXES; FAILURE / INTERMITTENT OUTPUT SIGNAL TO BLEED VALVE, CAUSING AN INTERMITTENT WARNING INDICATION IN THE COCKPIT.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.