# SDR HEEA060197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N2770Y
- Make and model: Bell 206L-1
- Registry model: [Bell 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Aircraft serial: 45291
- System (JASC): [6420 · Tail Rotor Head](https://openairdocs.org/jasc/6420)
- Part: Hub
- Part number: 206011810013
- Condition: Unbalanced
- Location: Tail Rotor
- Part time: 1,778 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA060197

## Discrepancy

UNABLE TO BALANCE TAIL ROTOR ASSEMBLY.  PITTING ON TRUNNION SPLINES.   THRUST PLUGS WORN EXCESSIVELY.  HOUSING BOLTS DID NOT OBTAIN .025 INCH OF THREAD ENGAGEMENT.

---
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.