# SDR C77A2020030400009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2019
- Submitted: March 4, 2020
- Operation: Air carrier
- Aircraft: [N605CZ](https://openairdocs.org/aircraft/N605CZ), 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: 17000186
- Aircraft time: 30,722 hours, 18,592 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 17007298003
- 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/C77A2020030400009

## Discrepancy

DURING BASIC CHECK AT EAMS, CORROSION WAS FOUND ON THE FOLLOWING FORWARD WET AREA
FLOOR STRUCTURE: LH FLOOR SILL P/N 170-03275-005, LH FLOOR SUPPORT P/N 170-13633-001,
LH FLOOR SILL P/N 170-05662-001, LH CENTER FLOOR BEAM P/N 170-07298-003.
REFERENCE ETD2019-170-019939 FIGURE 1, ETD2019-170-019976 FIGURE 1, AND
ETD2019-170-020011 FIGURE 1 FOR THE DAMAGE LOCATIONS AND DIMENSIONS. EAMS
REQUESTED AND RECEIVED PERMANENT REPAIR DISPOSITION IN THE FORM OF ETD2019-170-019939,
ETD2019-170-019976, AND ETD2019-170-020011, WHICH ALLOW THE AREAS TO BE BLENDED
PROVIDED NDT INSPECTION VERIFIES DAMAGE REMOVAL AND SURFACE PROTECTION IS RESTORED.
COMPASS ENGINEERING HAS CLASSIFIED THIS AS A MINOR REPAIR. WORK ORDER 2473505359

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