# SDR H1IR069Y01

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2001
- Submitted: April 13, 2001
- Operation: General aviation
- Aircraft: [N28AN](https://openairdocs.org/aircraft/N28AN), registered now
- Make and model: Cessna 208B
- Registry model: [Cessna 208B](https://openairdocs.org/model/cessna-208b) (OpenAirDocs)
- Aircraft serial: 208B0751
- Engine: Pwa PT6A114A
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Vane
- Part number: 3029051
- Part serial: 4P141
- Condition: Cracked
- Location: Compressor
- Part time: 2,221 hours
- 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/H1IR069Y01

## Discrepancy

COMPRESSOR TURBINE VANE RING OUTER RING ANTI ROTATION LUGS ARE CRACKED OR SEPARATED BEYOND THE MAXIMUM REPAIRABLE LIMIT OF SEVEN.  11 LUGS SEPARATED AND 1 EA CRACKED FROM A TOTAL OF 14.  EXPERIENCE INDICATES NORMAL AS REMOVED VANE RINGS WITH THIS TOTAL TIME SHOULD HAVE NO DEFECTS IN THIS AREA.

---
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.