# SDR JRAA0520042

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2004
- Submitted: June 7, 2004
- Operation: Air carrier
- Aircraft: N587CA
- Make and model: Cvac 440
- Aircraft serial: 463
- Engine: Rroyce DART54210
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- 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/JRAA0520042

## Discrepancy

DURING A SCID INSPECTION 53-20, CORROSION WAS FOUND ON FLOORBEAM AT STA 681.0 RT SIDE AT BELTFRAME.  AN AREA OF APPROX 3 INCHES X 5 INCHES ON THIS FLOORBEAM WAS FOUND CORRODED AT BELTFRAME ATTACH POINT AROUND RIVETS.  THE CORROSION HAD PROGRESSED THROUGH 50 PERCENT OF THE BEAM`S THICKNESS IN ONE AREA.  REPAIR IN PROGRESS AT THIS TIME.

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