# SDR AC2A2022031713901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2022
- Submitted: March 17, 2022
- Operation: Air carrier
- Aircraft: [N639MM](https://openairdocs.org/aircraft/N639MM), registered now
- Make and model: Agusta AW139
- Registry model: [Agusta AW139](https://openairdocs.org/model/agustawestland-philadelphia-aw139) (OpenAirDocs)
- Aircraft serial: 41216
- Aircraft time: 9,107 hours, 16,798 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Plate
- Part number: 3P5333A13052A2
- Condition: Corroded
- Location: Zone 200
- Part time: 9,107 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/AC2A2022031713901

## Discrepancy

CORROSION DAMAGE CAUSING REPLACEMENT OF AFT RIGHT UPPER PLATE.

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