# SDR 96ZZZX5173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N2072M](https://openairdocs.org/aircraft/N2072M), registered now
- Make and model: Bell 206L-1
- Registry model: [Bell 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Aircraft serial: 45720
- System (JASC): [6730 · Rotorcraft Servo System](https://openairdocs.org/jasc/6730)
- Part: Cylinder
- Part number: 206076062003
- Condition: Defective
- Location: Collective Servo
- Part time: 3,088 hours
- Stage of operation: NR
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX5173

## Discrepancy

PILOT REPORTED LOSS OF COLLECTIVE CONTROL ON AIRCRAFT.  ARRIVED AT SCENE AND INSPECTED AND FOUND COLLECTIVE SERVO PISTON UNSCREWS FROM ROD END BEARING.  CAUSE OF INCIDENT WAS NO SAFETY WAS FOUND ON FWD SERVO PISTON.  INSPECTED COLLECTIVE SERVO FOR DAMAGE AND PISTON FOR STRAIGHTNESS, AND DAMAGE.  NO DEFECTS FOUND.  INSPECTED CONTROL TUBES FOR CRACKS, NICKS, AND STRAIGHTNESS, OPENED VERTICAL TUNNEL, INSPECTED CONTROL TUBES FOR CRACKS AND DAMAGE.  NO DEFECT FOUND.

---
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.