# SDR 98ZZZX98

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N423CA](https://openairdocs.org/aircraft/N423CA), registered now
- Make and model: Casa C212CC
- Aircraft serial: 240
- Engine: Garrtt TPE33110
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Torque Sensor
- Part number: 31017262
- Condition: Failed
- Location: Engine Gearbox
- Stage of operation: IN
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX98

## Discrepancy

AIRCRAFT TOTAL TIME:  8,643.5 HOURS.  ENGINE TOTAL TIME:  5,609.6 HOURS.  ENGINE TSO:  2,518.7 HOURS.  AIRCRAFT HAD CHIP LIGHT ON NR 1 ENGINE ON GROUND.  SUBSEQUENT INSPECTION FOUND THAT PROPELLER FAILED TO TURN.  SUSPECT GEARBOX FAILURE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.