# SDR AC2A2021052540701

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2021
- Submitted: May 25, 2021
- Operation: Air carrier
- Aircraft: [N417AM](https://openairdocs.org/aircraft/N417AM), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 54446
- Aircraft time: 2,780 hours, 19,977 cycles
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Mast
- Part number: 407040038123R
- Part serial: N1297
- Condition: Corroded
- Location: Main Rotor
- Part time: 1,831 cycles
- Component: Mast Assembly, Bell
- Component part number: 407040011111
- 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/AC2A2021052540701

## Discrepancy

MAST POLE HAS CORROSION AT LOWER CONE SEAT AREA

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