# SDR SIMA20260518004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2026
- Submitted: June 8, 2026
- Operation: Air carrier
- Aircraft: [N299JJ](https://openairdocs.org/aircraft/N299JJ), 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: 17000847
- Aircraft time: 14,916 hours, 10,223 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Beam
- Part number: 17065669003
- Condition: Corroded
- 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/SIMA20260518004

## Discrepancy

CORROSION ON LH BEAM AT FR 87, Y= -10.748". (MAJOR REPAIR) (LEVEL 2 CORROSION) BLENDED CORROSION ON LH BEAM AT FR 87, Y=-10.748" IAW E-175 SRM 51-10-03. ORIGINAL THICKNESS .063 IAW EMBRAER DRAWING 170-86100-001. MATERIAL REMOVED .040" MATERIAL REMAINING .023" PART FOUND TO BE OUT OF ALLOWABLE LIMITS IAW E-175 SRM 51-75-16. LOCATED, DRILLED, AND TREATED HOL ES IN NEW LH BEAM AT FR 87 (PN;170-65669-003) PER EMB-175 SRM 51-40-02. ALODINE PER EMB-175 SRM 51-23-04. RESTORED FINISH TO FASTENERS ON LH BEAM AT FR 87 PER EMB-175 SRM 51-23-06 , ETN-EJ-51-015. APPLIED CIC PER CPM 51-25-00. REMOVED AND REPLACED LH BEAM AT FR 87 Y-10.75" IAW E-175 SRM 51-40-08.

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