# SDR ALGA2012061202

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2012
- Submitted: June 14, 2012
- Operation: Air carrier
- Aircraft: N9YBOB
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 36256
- Aircraft time: 4,989 hours
- System (JASC): [6500 · Tail Rotor Drive System](https://openairdocs.org/jasc/6500)
- Part: Flange
- Part number: 412040634101
- Condition: Corroded
- Location: Zone 200
- Component: Hanger Assembly, Bell
- Component part number: 412040600103
- 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/ALGA2012061202

## Discrepancy

FLANGE, CORROSION BEYOND LIMITS.

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