# SDR UIEA2019121096030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2019
- Submitted: December 10, 2019
- Operation: Air carrier
- Aircraft: [N486MC](https://openairdocs.org/aircraft/N486MC), registered now
- Make and model: Boeing 747-45EF
- Registry model: [Boeing 747-45EF](https://openairdocs.org/model/boeing-747-45ef) (OpenAirDocs)
- Aircraft serial: 30608
- Aircraft time: 86,079 hours, 15,585 cycles
- System (JASC): [2810 · Fuel Storage](https://openairdocs.org/jasc/2810)
- Part: Fuel Sys
- Condition: Out Of Balance
- Stage of operation: TO
- How discovered: O
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019121096030

## Discrepancy

LOW SPEED REJECTED TAKEOFF DUE TO DIRECTIONAL INSTABILITY ON POWER APPLICATION. SYMMETRICAL POWER ADVANCED TO TAKEOFF THRUST. IMMEDIATELY UPON ENGINE ACCELERATION, APPROXIMATELY 35%, THE NOSE DRIFTED LEFT AND FAILED TO RESPOND TO RUDDER OR NWS INPUTS. RTO ENSUED. (<P>FOUND A/C AFT C/G. ADDED FUEL TO BRING C/G FWD AS REQUIRED. FUEL ON-BOARD CURRENTLY AT 51.2 KG. MCC AND OPS NOTIFIED. </P>)

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