# SDR SIMA20260727004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2026
- Submitted: September 9, 2026
- Operation: Air carrier
- Aircraft: [N212NN](https://openairdocs.org/aircraft/N212NN), 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: 17000504
- Aircraft time: 28,307 hours, 18,940 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Part number: 17116981001
- Condition: Cracked
- Location: Zone 100
- 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/SIMA20260727004

## Discrepancy

CRACK INDICATION FOUND DURING HFEC INSPECTION ON FWD PASSENGER DOOR CUT-OUT STRUCTURE UPPER INTERNAL STEEL DOUBLER AT FR17-FR18. (MAJOR REPAIR). REMOVED INTERNAL STEEL DOUBLER BETWEEN FR 17 TO FR 18 ABOVE FWD PASSENGER DOOR REF EMB 175 SRM 51-40-08. REAMED INTERNAL DOUBLER HOLES REF EMB 175 SRM 51-40-02. PART# 171-16981-001. PRIMED IAW EMB 175 SRM 51-23-05 AND ENVOY ETN-EJ-51-025. RESTORED EXTERIOR FINISH REF EMB 175 SRM 51-23-06 AND ENVOY ETN-EJ-51-015. REMOVED AND REPLACED INTERNAL STEEL DOUBLER AT FWD PASSENGER DOOR CUT-OUT BETWEEN FR 17 - FR 18 IAW EMB 175 SRM 51-40-08.

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