# SDR MASA20260420079

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2026
- Submitted: April 20, 2026
- Operation: Air carrier
- Aircraft: [N87353](https://openairdocs.org/aircraft/N87353), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000681
- Aircraft time: 18,888 hours, 11,333 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 17066931001
- Condition: Corroded
- Location: Zone 100
- Part time: 18,888 hours, 11,333 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/MASA20260420079

## Discrepancy

DURING HEAVY CHECK INSPECTIONS ON REAR FUSELAGE EXTERNAL, CORROSION FOUND ON SKIN AT EDGE FWD FR 90A BETWEEN STR 27-29 RH, CORROSION ON EXTERNAL SKIN REMOVED BY BLEND-OUT IAW SRM 51-10-03 AND FOUND TO BE WITHIN LIMITS IAW SRM 51-75-16 PAR. 4 REV 53 AUG 21/25 AAR YQG NRC4502583-3000-0003

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