# SDR WPO12001B2579

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2001
- Submitted: June 5, 2001
- Operation: Air carrier
- Aircraft: [N223LA](https://openairdocs.org/aircraft/N223LA), registered now
- Make and model: Snias AS350B2
- Aircraft serial: 3278
- Engine: Tmeca ARRIEL1D
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Sleeve
- Part number: 0292153330
- Condition: Worn
- Location: Bleed Valve
- Part time: 999 hours
- Component: Bleed Valve
- Component part number: 9550164960
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WPO12001B2579

## Discrepancy

SB CALLS FOR THE INSTALLATION OF A SLEEVE IN THE BLEED VALVE BOSS.  THIS SLEEVE DEVELOPED ROTATIONAL MOVEMENT AND CAUSED WEAR DAMAGE TO ITSELF, THE BOS ON M02, AND TO THE BLEED VALVE.  THIS SLEEVE WAS INSTALLED AT TIME OF MANUFACTURE.

---
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.