# SDR CA031105005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2003
- Submitted: November 21, 2003
- Operation: General aviation
- Make and model: Bell 427
- Registry model: [Bell 427](https://openairdocs.org/model/bell-helicopter-textron-canada-427) (OpenAirDocs)
- Engine: Pwc PW207D
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Support
- Part number: 427034851101
- Condition: Cracked
- Location: T/R Gearbox
- 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/CA031105005

## Discrepancy

(CAN) FOREIGN OPERATOR NOTICED, DURING WALK AROUND, A ROUTINE MAINTENANCE CRACK ON THE TAIL ROTOR GEAR BOX/VERTICAL FIN SUPPORT ASSEMBLY.  PART HAD 310 HOURS SINCE NEW. PART HAS BEEN REMOVED AND SENT FOR INVESTIGATION.

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