# SDR 99ZZZX2067

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Engine: Pwa PW2037
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Blade
- Part number: 1B7806REF
- Condition: Fractured
- Location: Compressor
- Part time: 7,264 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2067

## Discrepancy

ENGINE RECEIVED FOR REPLACEMENT OF SUSPECT NR 1 MAIN BEARING.  DISASSEMBLY INSPECTION REVEALED ONE EACH 6TH STAGE BLADE FRACTURE AT APPROX 60 PERCENT SPAN WITH SUBSEQUENT DOWNSTREAM DAMAGE.  THE BLADE WAS OF THE INCREASE L/E THICKNESS CONFIGURATION PER SB 72-460.  THE FRACTURED BLADE HAS BEEN FORWARDED TO P&W FOR INVESTIGATION.

---
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.
