# SDR ALG2001F00036

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2001
- Submitted: November 27, 2001
- Operation: Air carrier
- Aircraft: [N587AL](https://openairdocs.org/aircraft/N587AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53248
- Engine: Allsn 250C47B
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Ring
- Part number: 406010427109
- Part serial: A1276
- Condition: Corroded
- Location: Main Rotor
- Part time: 1,653 hours
- 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/ALG2001F00036

## Discrepancy

DURING PHASE INSPECTION.  CORROSION BEYOND MAXIMUM LIMITS.

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