# SDR R29R2010003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2010
- Submitted: October 12, 2010
- Operation: General aviation
- Aircraft: [N813FK](https://openairdocs.org/aircraft/N813FK), registered now
- Make and model: Bell 412EP
- Registry model: [Bell 412EP](https://openairdocs.org/model/bell-textron-canada-412ep) (OpenAirDocs)
- Aircraft serial: 36388
- Aircraft time: 1,886 hours, 4,585 cycles
- Engine: Pwa PT6T3
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Damper
- Part number: 412310146103
- Part serial: MULTIPLE
- Condition: Debonded
- Location: Main Rotor Head
- Part time: 1,886 hours, 4,585 cycles
- 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/R29R2010003

## Discrepancy

(R29R) FOUND ONE DAMPER SET DEBONDED AND THE REMAINING 3 SETS SHOWING SIGNS OF DEBONDING. ACFT GROUNDED UNTIL REPLACEMENT DAMPERS ARE INSTALLED.  SECOND DISCOVERY OF THIS PROBLEM IN THE CUSTOMERS FLEET.

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