# SDR CA991027054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Snias AS350B
- Engine: Tmeca ARRIEL1B
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Tach Box
- Part number: 0177555170
- Condition: Failed
- Location: Compressor
- Stage of operation: CL
- Nature of condition: P
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA991027054

## Discrepancy

(CAN) TACHOMETER BOX DOES NOT HAVE OUTPUT TO CLOSE BLEED VALVE.

---
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.
