# SDR CA120926004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Snias AS350B2
- Engine: Lyc LTS101700D2
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Bolt
- Part number: 408111906
- Condition: Failed
- Location: Torquemeter
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120926004

## Discrepancy

(CAN) ENGINE CHIP LIGHT ILLUMINATED IN FLIGHT.  CHIP PLUGS INSPECTED AND FOUND METAL ON BOTH ENGINES AGB AND ENGINE OIL TANK CHIP PLUGS.  ENGINE REMOVED.  ENGINE TTSN = 9901.5 HRS ENG TTSO BY MFG = 587.7 HRS BOLT BINDS TORQUE IDLER GEAR & TG DRIVE GEAR.  2 GEARS MAKE UP THE TORQUE GEAR ASSY AND THE BOLT BINDS THE 2 GEARS TOGETHER.   INTERMOUNTIAN TURBINES FOUND 1 OF THE 8 BOLLTS WITH THE HEAD SHEARED WHICH CAUSED THE METAL GENERATION AND THE ENGINE CHIP PLIGHT INDICATION.

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