# SDR O84A115223

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2007
- Submitted: May 9, 2007
- Operation: Air carrier
- Aircraft: [N880SF](https://openairdocs.org/aircraft/N880SF), registered now
- Make and model: Bell 230
- Registry model: [Bell 230](https://openairdocs.org/model/bell-230) (OpenAirDocs)
- Aircraft serial: 23024
- Aircraft time: 4,225 hours
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Hanger Assy
- Part number: 222044003107
- Part serial: BP85
- Condition: Worn
- Location: Tail Rotor Drive
- Part time: 4,225 hours
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/O84A115223

## Discrepancy

FWD TAIL ROTOR HANGER BEARING FAILED.  SAFETY STRAP WAS THE ONLY THING HOLDING DRIVESHAFT IN PLACE.  PILOT AND CREW NOTICED A MOMENTARY KNOCKING NOISE AFTER NR 1 ENGINE AT IDLE ONLY.  CONTACTED BELL PRODUCT SUPPORT AND REPLACED HANGER BEARING ASSY.  AFTER INSPECTION.

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