# SDR UIEA2019081215000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2019
- Submitted: August 12, 2019
- 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: 96,492 hours, 16,871 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Stalled
- Location: Nr 4
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019081215000

## Discrepancy

ENG 4 COMPRESSOR SURGE OR STALL ABOVE 48% N1, NR 4 ENGINE HIGH VIBRATION, AND HIGH EGT.  CHECKED CMC 74576.  PERFORMED FIM 71-00 . ALL INSPECTION CHECKS FOUND OUT OF SERVICE LIMITATIONS.  REMOVED AND REPLACED THE NR 4 ENGINE ASSEMBLY AND OPERATIONAL CHECK NORMAL IAW AMM 71-00-02-4, AND W/C 71-099-02-01.

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