# SDR UIE2008F00010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2008
- Submitted: July 28, 2008
- Operation: Air carrier
- Aircraft: [N492MC](https://openairdocs.org/aircraft/N492MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29253
- Engine: Ge CF680
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Power Loss
- Location: Nr 2
- Stage of operation: TO
- How discovered: 9
- Nature of condition: R, J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIE2008F00010

## Discrepancy

ON TAKEOFF ROLL POWER WAS ADVANCED TO 70 PERCENT.  N1 ENGINE 1,3, AND 4 ADVANCED NR 2 LAGGED SIGNIFICANTLY BEHIND, TAKEOFF ROLL ABORTED AT 40 KNOTS, AIRCRAFT TAXIED TO RUNUP AREA WHERE ENGINE RUN UP WAS PERFORMED AND NR 2 WAS NOW NORMAL.  (K)

---
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.
