# NTSB Accident MIA94LA103
> **CESSNA 172RG** · 1994-03-26 · BOCA RATON, FL, USA · NONE
## Event
- **NTSB number:** MIA94LA103
- **Event ID:** 20001206X00960
- **Type:** Accident
- **Date:** 1994-03-26
- **Location:** BOCA RATON, FL, USA
- **Coordinates:** 26.36943, -80.099235
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 172RG
- **Registration:** N9781B
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the aircraft operator to comply with engine manufacturers service bulletins which resulted in improper inspection of exhaust valves and subsequent sticking of the no. 4 exhaust valve.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA94LA103) · AI Analytics · CC0 1.0*