# SDR 96ZZZX1490

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N901CF](https://openairdocs.org/aircraft/N901CF), registered now
- Make and model: Doug MD 900
- Registry model: [Doug MD 900](https://openairdocs.org/model/mcdonnell-douglas-helicopter-md-900) (OpenAirDocs)
- Aircraft serial: 90000012
- Engine: Pwa PW206A
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compression Ring
- Part number: A311670001
- Condition: Loose
- Location: Engine
- Part time: 175 hours
- Stage of operation: IN
- Nature of condition: R
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX1490

## Discrepancy

COMPRESSION RING LOOSENED UP WHICH CAUSED ENGINE LOW POWER.  PWC HAS DEVELOPED AND WILL INSTALL ON THE ENGINE A RETROFIT KIT THAT INCORPORATES A DOWEL WHICH IS SUPPOSED TO RESTRICT MOVEMENT OF THE COMPRESSION RING.

---
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.