# SDR 2004FA0000271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2004
- Submitted: March 5, 2004
- Operation: General aviation
- Aircraft: [N601MT](https://openairdocs.org/aircraft/N601MT), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53428
- Engine: Allsn 250C47B
- System (JASC): [6720 · Tail Rotor Control System](https://openairdocs.org/jasc/6720)
- Part: Bearing
- Part number: 407340334101
- Part serial: ZV14892
- Condition: Seized
- Location: T/R Control
- Part time: 843 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/2004FA0000271

## Discrepancy

BEARING SEIZED DURING TRAINING FLIGHT, RESULTING IN D/S FAILURE AND LOSS OF T/R CONTROL ALLOWING THE TAIL ROTOR BLADES TO STRIKE TAILBOOM.  (WP17200403114)

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