# SDR UIEA2026041500183

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2026
- Submitted: May 27, 2026
- 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: 108,821 hours, 19,065 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Skin
- Condition: Cracked
- Location: Zone 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2026041500183

## Discrepancy

M/D - ENTRY DOOR L1 INNER SKIN CRACK AT WINDOW CUTOUT AFT UPPER CORNER AREA(<P>INNER SKIN CRACK AREA REPAIRED AS PER RI-52-10-18136 REV A. NO FURTHER DEFECTS NOTED.</P>)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.