# SDR 8HBR20180906018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 2018
- Submitted: September 6, 2018
- Operation: General aviation
- Aircraft: [N328TS](https://openairdocs.org/aircraft/N328TS), registered now
- Make and model: Diamon DA 42
- Registry model: [Diamon DA 42](https://openairdocs.org/model/diamond-aircraft-ind-da-42) (OpenAirDocs)
- Aircraft serial: 42AC028
- Aircraft time: 2,257 hours
- Engine: Thielt TAE12501
- System (JASC): [8500 · Engine (Reciprocating)](https://openairdocs.org/jasc/8500)
- Part: Gearbox
- Part number: 057212K043902
- Part serial: 2453
- Condition: Failed
- Location: Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: Z
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/8HBR20180906018

## Discrepancy

ENGINE GEARBOX INPUT SPLINE SHEARED DURING STARTUP. AD 2015-21-01 "START MONITORING SYSTEM" PCW, BY START MONITORING SYSTEM IAW MSB-42-109-KIT AT 3.11.2016 591.3 ETT 1584.3 ACTT

---
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.
