# NTSB Incident ENG14IA018
> **PIPER PA46 500TP** · 2014-07-07 · Denver, CO, USA · NONE
## Event
- **NTSB number:** ENG14IA018
- **Event ID:** 20140707X54439
- **Type:** Incident
- **Date:** 2014-07-07
- **Location:** Denver, CO, USA
- **Coordinates:** 39.572223, -104.848052
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** PIPER
- **Model:** PA46 500TP
- **Registration:** N406CD
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilots' incorrect activation of the Manual Override Lever, during ground operation, in an attempt to correct a sub-idle speed condition of the engine,  resulting in an over-temperature of the CT blades, their subsequent distress and failure of the engine.  Contributing to the incident was:  The incorrect guidance of the Piper Meridian Pilots' Operating Handbook which, contrary to the engine manufacturer's recommendation, allowed the operation of the Manual Over ride Lever during ground operation.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ENG14IA018) · AI Analytics · CC0 1.0*