# SDR C77A2020020280015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2019
- Submitted: February 2, 2020
- Operation: Air carrier
- Aircraft: N612CZ
- 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: 17000201
- Aircraft time: 31,519 hours, 19,314 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Gusset
- Part number: 17060261001
- Condition: Corroded
- Location: Cabin
- 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/C77A2020020280015

## Discrepancy

THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH THE PERMANENT REPAIRS OF CORROSION DAMAGE BY REPLACEMENT OF THE FOLLOWING AFT CABIN FLOOR STRUCTURE: P/N 170-92907-001 LH PANEL SUPPORT, P/N 170-92856-001 FLOOR DOUBLER, P/N 170-92908-001 FLOOR DOUBLER, P/N 170-86181-005 RH PANEL SUPPORT, P/N 170-86119-005 FR90 CENTER SPLICE, P/N 170-86107-001 SPLICE PLATE FR89 LH, P/N 170-86139-005 LH PANEL SUPPORT, P/N 170-65644-001 LH SHEAR SPLICE FR 87, P/N 170-65927-007 LH SHEAR PANEL, P/N 170-65928-001 CENTER SHEAR PANEL, P/N 170-91919-001 RH SHEAR PANEL, P/N 170-6059-001 FR90 RH OB GUSSET, P/N 170-60257-001 FR90 LH IB GUSSET, P/N 170-60257-001 FR90 RH IB GUSSET, P/N 170-60261-001 GUSSET FR90 LH OTBD, P/N 170-60287-001 ANGLE SUPPORT FR90, P/N 170-86187-001 PANEL SUPPORT. REPLACEMENT OF PARTS IS ACCOMPLISHED IN ACCORDANCE WITH EMBRAER DRAWINGS LISTED IN TABLE 2 AND SRM CHAPTER 51 PRINCIPLES. SUPPLEMENTAL FOLLOW UP INSPECTIONS WILL NOT BE REQUIRED FOR DIRECT REPLACEMENT OF THE FLOOR STRUCTURE; X=24868.0 MM, Y =-501.0MM W.O.#2536546238

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