# SDR UIEA2026091900885

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2026
- Submitted: September 21, 2026
- Operation: Air carrier
- Aircraft: [N485MC](https://openairdocs.org/aircraft/N485MC), registered now
- Make and model: Boeing 747-45EF
- Registry model: [Boeing 747-45EF](https://openairdocs.org/model/boeing-747-45ef) (OpenAirDocs)
- Aircraft serial: 30607
- Aircraft time: 114,126 hours, 20,106 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Nr 4
- Stage of operation: CL
- How discovered: O
- Nature of condition: Y, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2026091900885

## Discrepancy

ENGINE 4 FAIL AFTER TAKEOFF.  REPLACED NR 4 ENG DURING ENG RUN-UP. NO FAULT MSG; LEAK CHK NML AND OPS CHK NML AS PER AMM 71-00-00, 71-00-02 AND AIPC 71-00-51-06A ITEM 10. 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.