# SDR DXTR20121108001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2012
- Submitted: November 8, 2012
- Operation: General aviation
- Filed by: [NJS145 LLC, repair station DXTR401D](https://openairdocs.org/faa-repair-station/DXTR401D/njs145-llc.md) (OpenAirDocs)
- Aircraft: N236QS
- Make and model: Amd FALCON2000
- Aircraft serial: 136
- Aircraft time: 9,413 hours, 5,944 cycles
- Engine: Cfe CFE73811B
- Engine time: 5,053 hours, 3,355 cycles
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Nut
- Part number: 30507221
- Condition: Corroded
- Location: Fan Shaft
- Part time: 5,053 hours, 3,355 cycles
- 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/DXTR20121108001

## Discrepancy

NR 2 ENGINE FAN SHAFT NUT IS DAMAGED FROM CORROSION.  FOUND SHAFT NUT CORRODED.  R & R CORRODED NUT FROM MAIN SHAFT.  INSTALL NEW NUT IAW LMM 72-06-03, REV 7, & 72-70-02.

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