# SDR GW4R01100300

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2000
- Submitted: October 3, 2000
- Operation: General aviation
- Engine: Garrtt TFE73122B
- Engine time: 10,786 hours, 6,226 cycles
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Shaft
- Part number: 30719551
- Part serial: 3P15966
- Condition: Cracked
- Location: Nose Cone
- Part time: 10,786 hours, 6,226 cycles
- Component: Nose Cone, Garrtt
- Component part number: 30770821
- 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/GW4R01100300

## Discrepancy

THIS FAN SHAFT WAS BEING INSPECTED IAW A ROUTINE HSI.  FOUND 2.5 INCH CRACK RADIATING FROM LOCK CUT-OUT.  THIS IS A PRE SB 72-3498 FAN SHAFT.  (X)

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