# SDR UIEA201000159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2010
- Submitted: May 13, 2010
- Operation: Air carrier
- Aircraft: [N412MC](https://openairdocs.org/aircraft/N412MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 30559
- Aircraft time: 43,927 hours, 6,543 cycles
- Engine: Ge CF680
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Access Panel
- Condition: Cracked
- Location: Nr 3 Pylon
- 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/UIEA201000159

## Discrepancy

CRACKS WERE FOUND IN THE NR 3 PYLON INBD ACCESS PANEL 472FL AS SHOWN IN FIGURE 1. NR 3 PYLON ACCESS PANEL 452FL CRACKED AREA REPAIRED IAW EO 4454A095.

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