# SDR HEEA968537

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N5421E
- Make and model: Bolkms BO105S
- Aircraft serial: S806
- Engine: Allsn 250C20B
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Nozzle
- Part number: 23060450
- Condition: Cracked
- Location: Nr 1 Vane
- Part time: 443 hours
- Component: 6898735
- 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/HEEA968537

## Discrepancy

ENGINE REMOVED DUE TO AFT T/M LEAKS.  TURBINE DISASSEMBLED DUE TO LOW POWER ON TEST RUN.  UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING:  CRACKED AND BOWED BEYOND SERVICEABLE LIMITS ON #1 NOZZLE VANES. INSTALLED A STANDARD AERO OVERHAULED #1 NOZZLE.

---
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.
