# SDR UIEA2010110900175

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2010
- Submitted: November 10, 2010
- Operation: Air carrier
- Aircraft: [N419MC](https://openairdocs.org/aircraft/N419MC), registered now
- Make and model: Boeing 747-48EF
- Registry model: [Boeing 747-48EF](https://openairdocs.org/model/boeing-747-48ef) (OpenAirDocs)
- Aircraft serial: 28367
- Aircraft time: 65,120 hours, 11,013 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Skin
- Condition: Damaged
- Location: Thrust Reverser
- 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/UIEA2010110900175

## Discrepancy

THE PURPOSE OF THIS EO IS TO DOCUMENT A MAJOR REPAIR. DURING REPLACEMENT OF THE HMU ON THE NR3 ENGINE, MX FOUND THE NR3 RT T/R CORE COWL WITH DAMAGE TO THE INSULATION AND THE INNER SKIN OF THE CORE COWL.

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