# SDR EVCA2019092300000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2019
- Submitted: September 23, 2019
- Operation: Air carrier
- Aircraft: [N83AE](https://openairdocs.org/aircraft/N83AE), registered now
- Make and model: Bell 206L-1
- Registry model: [Bell 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Aircraft serial: 45272
- Aircraft time: 29,803 hours, 114,455 cycles
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Mast
- Part number: 206040535109
- Part serial: N1682
- Condition: Corroded
- Location: Main Rotor
- Part time: 2,738 hours, 16,126 cycles
- Component: Mast Assy., Bell
- Component part number: 206040014107
- 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/EVCA2019092300000

## Discrepancy

CORROSION WITH PITTING FOUND ON THE INSIDE DIAMETER SURFACE OF THE MAIN ROTOR MAST DURING 12 MONTH VISUAL INSPECTION.

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