# SDR UIEA2019042604037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2019
- Submitted: April 27, 2019
- Operation: Air carrier
- Aircraft: [N493MC](https://openairdocs.org/aircraft/N493MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29254
- Aircraft time: 84,579 hours, 13,591 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Support Frame
- Condition: Cracked
- Location: Lt Wing
- 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/UIEA2019042604037

## Discrepancy

LH L/E CAVITY L/E FIXED PNL SUPPORT FRAME CRACK FOUND AT ILES 420.(<P>LHW L/E ILES 414.5 HINGE WEB CRACK AREAS REPAIRED IAW RI-57-40-13510 REV. A.</P>)

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