# SDR CA120221013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Snias AS350B3
- Engine: Tmeca ARRIEL2B1
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Nut
- Condition: Backed Out
- Location: Tgb Input Flange
- Part time: 1,522 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120221013

## Discrepancy

(CAN) FLANGE ROCKING ON SPLINES.  RETAINING NUT APPEARS TO BE BACKED OFF ENOUGH TO ALLOW FLANGE MOVEMENT.

---
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.