# NTSB Accident LAX94LA129
> **PIPER PA-31-350** · 1994-02-21 · PHOENIX, AZ, USA · SERS
## Event
- **NTSB number:** LAX94LA129
- **Event ID:** 20001206X00774
- **Type:** Accident
- **Date:** 1994-02-21
- **Location:** PHOENIX, AZ, USA
- **Coordinates:** 33.429889, -112.009643
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 4
## Aircraft
- **Make:** PIPER
- **Model:** PA-31-350
- **Registration:** N4109D
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE LOOSE MAIN FUEL LINE 'B' NUT DUE TO THE IMPROPER INSTALLATION OF THE RIGHT ENGINE BY COMPANY MAINTENANCE PERSONNEL.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX94LA129) · AI Analytics · CC0 1.0*