# SDR CA110810004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2011
- Submitted: September 9, 2011
- Operation: Air carrier
- Make and model: Dhav DHC6300
- Engine: Pwa PT6A27
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Sun Gear
- Condition: Damaged
- Location: Rgb
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA110810004

## Discrepancy

IMPROPER MX USED REPLACEMENT GEARS INSTALLED IFSD,  ABOUT 10 MINUTES INTO FLIGHT THE PILOT REPORTED HEARING A LOUD BANG AND SUBSEQUENT POWER LOSS. PILOT SECURED NR 2 ENGINE AND FLIGHT CONTINUED  AND LANDED SAFELY ON 1 ENGINE. ENGINE WAS REMOVED AND SENT WHERE INVESTIGATION REVEALED RGB PLANET AND SUN GEAR DISTRESS.   MFG INVESTIGATION REVEALED THE GEARS HAD BEEN SUPPLIED BY A 3RD PARTY OPERATION AND INSTALLED BY A NON-MFG SHOP.

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