# NTSB Accident LAX03FA232
> **Sikorsky S-58ET** · 2003-07-12 · Rancho P.Verdes, CA, USA · SERS
## Event
- **NTSB number:** LAX03FA232
- **Event ID:** 20030718X01146
- **Type:** Accident
- **Date:** 2003-07-12
- **Location:** Rancho P.Verdes, CA, USA
- **Coordinates:** 33.754444, -118.330001
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Sikorsky
- **Model:** S-58ET
- **Registration:** N15AH
- **FAR Part:** 133
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A total loss of antitorque control, due to the fatigue-induced failure of a gear within the drive shaft's intermediate gear box (IGB).  Contributing factors were the pilot's improper on-ground decision to continue flight operations following discovery of material on the IGB's chip plug, and his failure to immediately jettison the external load.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX03FA232) · AI Analytics · CC0 1.0*