# SDR 97ZZZX3197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N4035W](https://openairdocs.org/aircraft/N4035W), registered now
- Make and model: Snias AS350B2
- Aircraft serial: 2912
- System (JASC): [6500 · Tail Rotor Drive System](https://openairdocs.org/jasc/6500)
- Part: Screw
- Part number: 22208BC060012L
- Condition: Defective
- Location: T/R Drive Shaft
- Part time: 400 hours
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX3197

## Discrepancy

DURING C/W SB 05.08 PARA 1C(2A) WHEN REINSTALLING SCREW INTO BEARING SUPPORT MOUNT BRACKET, MECHANIC STATED THAT TORQUE DID NOT FEEL STABLE.  REMOVED AND INSPECTED, FOUND NO OBVIOUS DEFECTS.  REINSTALLED TORQUED NUT AND, AGAIN, DID NOT FEEL LIKE TORQUE STABILIZED.  ATTEMPTED TO TORQUE TO MAXIMUM, TORQUE BOLT FAILED.  EUROCOPTER AS350B2 PARTS MANUAL,  SCREW, PN 22208BC060012C, ITEM 230, FIGURE 65.10.10, PG 3.

---
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.