# SDR C77A20170207001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2017
- Submitted: February 7, 2017
- Operation: Air carrier
- Aircraft: [N602CZ](https://openairdocs.org/aircraft/N602CZ), 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: 17000171
- Aircraft time: 26,352 hours, 15,315 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Part number: 17003263001
- Condition: Corroded
- Location: Fuselage
- 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/C77A20170207001

## Discrepancy

THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH A PERMANENT REPAIR OF CORROSION DAMAGE TO THE FWD CABIN FLOOR STRUCTURE RT SEAT TRACK P/N 170-03263-001 AT THE FR14 CROSS BEAM. THE APPROXIMATE DAMAGE DIMENSIONS ARE 1.8 INCHES X 1.2 INCHES X 0.028 INCH DEEP (39% MATERIAL LOSS). THE RT SEAT TRACK IS NOT CLASSIFIED AS FATIGUE CRITICAL STRUCTURE (FCS), BUT IS CLASSIFIED AS PRIMARY STRUCTURE. ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR DUE TO STRENGTH RESTORATION OF PRIMARY STRUCTURE. SUPPLEMENTAL FOLLOW UP INSPECTIONS ARE NOT REQUIRED PER SRM PART II 53-10-10 REPAIR 01P. THIS PERMANENT REPAIR WILL BE ACCOMPLISHED ON WO 2227738.

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