# SDR CA020507009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2002
- Submitted: May 31, 2002
- Operation: Air carrier
- Make and model: Bell 205A-1
- Registry model: [Bell 205A-1](https://openairdocs.org/model/bell-205a-1) (OpenAirDocs)
- Aircraft time: 9,665 hours
- Engine: Lyc T5313B
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Mount
- Part number: 205030164073
- Condition: Cracked
- Location: M/R Gearbox
- Component: Airframe, Bell, 205A1
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA020507009

## Discrepancy

(CAN) DURING MAIN ROTOR TRANSMISSION REMOVAL FOUND CRACK EXTENDING FROM LOWER MOST BOLT HOLE OF 5TH MOUNT ATTACHMENT ANGLE, RT SIDE OF TRANSMISSION PYLON AREA.CRACK REPAIRED I.A.W. THE BELL MEDIUM STRUCTURAL REPAIR MANUAL (BHT-MED-SRM-1) SECTION 4-6-3, "MAIN BEAM ATTACHMENT ANGLE CRACKING".

---
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.
