# SDR UIEA2020042800871

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2020
- Submitted: April 28, 2020
- Operation: Air carrier
- Aircraft: [N477MC](https://openairdocs.org/aircraft/N477MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29255
- Aircraft time: 86,263 hours, 15,306 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- 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/UIEA2020042800871

## Discrepancy

M/D-STA 1400 - STA 1420 RBL 11 SEAT TRACK LOWER SURFACE FOUND CORROSION.(<P>CABIN-STA 1416 - STA 1421 RBL 11.33" SEAT TRACK LOWER SURFACE CORROSION AREA REPAIRED IAW RI-53-40-14010 REV. A. THIS REPAIR IS A PERMANENT REPAIR. </P>)

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