# SDR HKGA201910108004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2019
- Submitted: October 10, 2019
- Operation: Air carrier
- Aircraft: [N235SW](https://openairdocs.org/aircraft/N235SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120310
- Aircraft time: 43,038 hours, 60,233 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Lt Wing
- Part time: 43,038 hours, 60,233 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/HKGA201910108004

## Discrepancy

LH WING UPPER SKIN HAS CORROSION AFT OF THE VORTEX GENERATOR AT RIB 23. NOMINAL THICKNESS .080" OUT OF LIMITS (REF EMB120 SRM 57-20-01 AND 57-00-01 REV 58). CUTOUT BLENDED AREA (IAW EMB120 SRM 57-20-01 REV 58). LAYED OUT AND FABIRCATED DOUBLER FROM .080" 2024T3. INSTALLED DOUBLER (PER EMB ETD 2019-120-101457 REV 1). APPLIED FILLER SEAL TO DOUBLER, CAP SEALED FASTENERS WITHIN FUEL TANK AND RESTORED ORIGINAL FINISHING OF THE REPAIR AREA (PER EMB ETD 2019-120-101457 AND EMB120 SRM 51-22-00 REV 58).

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