# SDR CA960412011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Bell 205A-1
- Registry model: [Bell 205A-1](https://openairdocs.org/model/bell-205a-1) (OpenAirDocs)
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Output Shaft
- Part number: 2120404621
- Condition: Cracked
- Location: T/R Cone Area
- Component: Bell, 212040004005
- 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/CA960412011

## Discrepancy

(CAN)DURING PREMATURE OVERHUAL INCLUDING A MAGNAFLUX OF THE OUTPUT DRIVESHAFT, A CRACK WAS DETECTED ON THE SHAFT IN THE TAIL ROTOR CONE AREA, JUST INBOARD OF THE SPLINES SUPPORTING THE TAIL ROTOR YOKE. THECRACK EXTENDED FOR 0.5 INCHES IN A CIRCUMFERENTIAL DIRECTION AND OUTBOARD ALONG THE SPLINES FROM BOTH ENDS OF CRACK.

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