# SDR AC2A110583

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2006
- Submitted: August 7, 2006
- Operation: Air carrier
- Aircraft: [N6533U](https://openairdocs.org/aircraft/N6533U), registered now
- Make and model: Bell 206L-3
- Registry model: [Bell 206L-3](https://openairdocs.org/model/bell-206l-3) (OpenAirDocs)
- Aircraft serial: 52439
- Aircraft time: 14,225 hours
- Engine: Allsn 250C30P
- Engine time: 10,949 hours
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 23073353
- Part serial: FF36804
- Condition: Failed
- Location: Engine
- Part time: 14,558 hours
- Stage of operation: TO
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AC2A110583

## Discrepancy

ON TAKEOFF FROM DRILLING RIG, WHILE INCREASING COLLECTIVE, THE HELICOPTER MADE (2) REPORTS (POPS). ABORTED TAKEOFF. DISCOVERED DEFECTIVE ENGINE BLEED VALVE. INSTALLED SERVICABLE ENGINE 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.