# NTSB Incident ERA15IA008
> **CESSNA S550** · 2014-10-04 · Tampa, FL, USA · NONE
## Event
- **NTSB number:** ERA15IA008
- **Event ID:** 20141006X40044
- **Type:** Incident
- **Date:** 2014-10-04
- **Location:** Tampa, FL, USA
- **Coordinates:** 27.975555, -82.533332
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** S550
- **Registration:** N550AJ
- **FAR Part:** 091
- **Engines:** —
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The lack of flat roller bearings in the two elevator trim tab actuators and maintenance personnel’s inadequate lubrication of the left elevator trim tab actuator, both of which resulted in the overstress fracture of the left internal screw and subsequent in-flight failure of the pitch trim system.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA15IA008) · AI Analytics · CC0 1.0*