# SDR AC2A201906163901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2019
- Submitted: June 16, 2019
- Operation: Air carrier
- Aircraft: [N639NA](https://openairdocs.org/aircraft/N639NA), registered now
- Make and model: Agusta AW139
- Registry model: [Agusta AW139](https://openairdocs.org/model/agustawestland-philadelphia-aw139) (OpenAirDocs)
- Aircraft serial: 41326
- Aircraft time: 4,933 hours, 8,950 cycles
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Skin
- Part number: 3G5350A00134RL
- Part serial: A70086
- Condition: Corroded
- Location: Tailboom
- Part time: 4,102 hours, 8,814 cycles
- 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/AC2A201906163901

## Discrepancy

CORROSION FOUND BETWEEN PREVIOUS REPAIR AND SKIN ON LEFT AFT TAILCONE AREA

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