# SDR NI6R201706130040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2017
- Submitted: June 14, 2017
- Operation: General aviation
- Filed by: [Neptune Aviation Services Inc, repair station NI6R011N](https://openairdocs.org/faa-repair-station/NI6R011N/neptune-aviation-services-inc.md) (OpenAirDocs)
- Aircraft: [N476NA](https://openairdocs.org/aircraft/N476NA), registered now
- Make and model: Bac 146200A
- Aircraft serial: E2196
- Aircraft time: 35,506 hours, 30,764 cycles
- Engine: Lyc ALF502R5
- Engine time: 34,091 hours, 33,256 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Malfunctioned
- Location: Nr 3
- Stage of operation: TO
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: C, E, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NI6R201706130040

## Discrepancy

AFTER BRAKE RELEASE FOR TAKE OFF AND BEGINNING ROLL, THE NR 3 ENGINE N1 & N2 STARTED ROLLING BACK AND TGT INCREASED TO 932 DEGREES C.  TAKE OFF WAS ABORTED, ENGINE SHUT DOWN, AND AIRCRAFT RETURNED TO PARKING.

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