# SDR UIEA2013020500070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2013
- Submitted: February 6, 2013
- Operation: Air carrier
- Aircraft: [N476MC](https://openairdocs.org/aircraft/N476MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29256
- Aircraft time: 60,080 hours, 10,360 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Access Panel
- Condition: Damaged
- Location: Nr 4 Nacelle
- 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/UIEA2013020500070

## Discrepancy

DURING C3 CHECK, DAMAGE TO THE NR 4 PYLON, LT ACCESS PANEL NR 482IL WAS FOUND WITH A CRACK APPROX 6.0" IN LENGTH ON THE LOWER RADIUS AREA.   ACCOMPLISHED AN INTERIM REPAIR.

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