# SDR ALGA032020179YTKB

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2017
- Submitted: March 20, 2017
- Operation: Air carrier
- Aircraft: N9YTKB
- Make and model: Agusta AW139
- Registry model: [Agusta AW139](https://openairdocs.org/model/agustawestland-philadelphia-aw139) (OpenAirDocs)
- Aircraft serial: 41395
- Aircraft time: 2,358 hours
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Panel
- Part number: 3P5331A38431
- Condition: Corroded
- Location: Fuselage
- Part time: 2,358 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/ALGA032020179YTKB

## Discrepancy

DURING MAINTENANCE, THE FORWARD LOWER PANEL WAS FOUND TO BE CORRODED BETWEEN BS 3120 AND 3900. MAJOR REPAIR PERFORMED.

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