# SDR 2004FA0000815

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2004
- Submitted: October 20, 2004
- Operation: General aviation
- Aircraft: [N38WP](https://openairdocs.org/aircraft/N38WP), registered now
- Make and model: Amd FALCON50MYST
- Aircraft serial: 292
- Engine: Garrtt TFE73140
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Transition Duct
- Part number: 30606944
- Part serial: 9EP00912
- Condition: Failed
- Location: Hp Turbine
- Part time: 2,475 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004FA0000815

## Discrepancy

FLIGHT CREW MADE 3 ATTEMPTS TO START NR 3 ENGINE.  COCKPIT INDICATION ON N1 AND N2 SHOWED NO ROTATION.  4TH ATTEMPT SHOWED ROTATION WITH A NORMAL START.  DURING FLIGHT BACK, CREW NOTED N2 APPROX 2 PERCENT LOWER AT CRUISE.  ITT WAS APPROX 100 DEGREES HIGHTER.  ALL OTHER PARAMETERS INDICATED NORMAL.  MAINTENANCE CARRIED OUT GROUND MOTORING RUNS THAT INDICATED HARD RUB INSIDE ENGINE.  COMPUTER DOWNLOAD COMPLIED WITH AND ANALYZED BY MFG AND ECTM CONFIRMING HIGH PRESSURE TURBINE AND SHROUD FAILURE ENGINE NR 3 REMOVED AND SENT FOR REPAIR.  BANK ENGINE INSTALLED AND AC RELEASED FOR SERVICE.  (NM1200411360)

---
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.