# SDR YTRA1019601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2010
- Submitted: July 15, 2010
- Operation: Air carrier
- Aircraft: [N523RL](https://openairdocs.org/aircraft/N523RL), registered now
- Make and model: Bell 206L-4
- Registry model: [Bell 206L-4](https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4) (OpenAirDocs)
- Aircraft serial: 52321
- Aircraft time: 4,400 hours
- Engine: Allsn 250C30P
- Engine time: 4,035 hours, 1,505 cycles
- System (JASC): [6710 · Main Rotor Control](https://openairdocs.org/jasc/6710)
- Part: Bolt
- Part number: 20057520D
- Condition: Missing
- Location: Collective
- Stage of operation: CR
- How discovered: O
- Nature of condition: S
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YTRA1019601

## Discrepancy

THE PILOT WAS UNABLE TO MAKE ANY COLLECTIVE CONTROL SYS INPUTS. ON INSP IT WAS DISCOVERED THAT BOLT PN 20-057-5-20D HAD BECOME DISCONNECTED FROM LINK ASSY PN 206-001-558-103 AND SWASHPLATE LEVER ASSY PN 206-010-447-109.

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