# SDR SIMA20211004002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2021
- Submitted: November 8, 2021
- Operation: Air carrier
- Aircraft: [N221NN](https://openairdocs.org/aircraft/N221NN), 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: 17000525
- Aircraft time: 14,338 hours, 9,503 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Frms 76-81 S29r
- 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/SIMA20211004002

## Discrepancy

SSI-53-23-007 STRINGER 29R IS CORRODED FROM FR 76-81. (LEVEL 2 CORROSION) (MAJOR REPAIR)-C/A-REMOVED AND INSTALLED SERVICEABLE STRINGER 29R BETWEEN FR 73-82 IAW EMB 175 SRM 51-21-01, 51-40-08, 51-41-02, 51-43-03, 51-43-04, ERS-EJ-0700-003

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