# NTSB Incident BFO92IA145
> **LOCKHEED L1011-385** · 1992-09-20 · BOSTON, MA, USA · NONE
## Event
- **NTSB number:** BFO92IA145
- **Event ID:** 20001211X15610
- **Type:** Incident
- **Date:** 1992-09-20
- **Location:** BOSTON, MA, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 315
- **Total aboard:** 315
## Aircraft
- **Make:** LOCKHEED
- **Model:** L1011-385
- **Registration:** N786DL
- **FAR Part:** 121
- **Engines:** 3
- **Damage:** MINR
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

INADEQUATE LUBRICATION WHICH CAUSED STRESS CORROSION CRACKING AND THE SEPARATION OF THE RIGHT WING NUMBER TWO FLAP VANE.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=BFO92IA145) · MORVS · CC0 1.0*