# SDR UIEA2025122401358

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2025
- Submitted: December 26, 2025
- Operation: Air carrier
- Aircraft: [N487MC](https://openairdocs.org/aircraft/N487MC), registered now
- Make and model: Boeing 747-45EF
- Registry model: [Boeing 747-45EF](https://openairdocs.org/model/boeing-747-45ef) (OpenAirDocs)
- Aircraft serial: 30609
- Aircraft time: 101,884 hours, 18,556 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Skin
- Condition: Damaged
- Location: Zone 500 Flap
- 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/UIEA2025122401358

## Discrepancy

LT WING OTBD FORE FLAP OTBD END LOWER SURFACE L/E DAMAGED ABOUT 6 INCHES INBD OF OTBD EDGE(<P>PERMANENT COMPOSITE REPAIR MADE TO LH WING OTBD FORE FLAP LOWER SURFACE 9" FORM OTBD EDGE AND 19" FORM LOWER EDGE. SIZE AFTER REPAIR L 5" W 4" PER B747-400 SRM 51-70-07 PAR. 4C, E, F, G. 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.