# Incident 19920920044949I: Lkheed 10113851, Boston, MA, September 20, 1992

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: September 20, 1992, 19:53 local time
- Place: Boston, MA
- Airport: General Edward Lawrence Logan
- Damage: Minor damage
- Phase of flight: Final Approach-IFR
- Operating rules: Air carrier (Part 121)
- Operator: DALA
- Location: 42.3629° N, 71.0064° W: Placed by OpenAirDocs at GENERAL EDWARD LAWRENCE LOGAN INTL (BOS), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3629&lon=-71.0064&mi=10
- Aircraft: N786DL, a cancelled registration (https://openairdocs.org/deregistered/N786DL-2012-09-10) (OpenAirDocs)
- Registry model: Lockheed L-1011-385-1 (registry code 5265010, https://openairdocs.org/model/lockheed-l-1011-385-1) (OpenAirDocs)
- Registry engine: Rolls-Royce RB-211-22 series (registry code 54554, https://openairdocs.org/engine/rolls-royce-rb-211-22-series) (OpenAirDocs)
- Reported make and model: LKHEED 10113851
- People aboard: 315
- Fatal injuries: 0
- Pilot flight hours: 26,000 total, 6,500 in this make and model, 180 in the last 90 days
- NTSB investigation: [NTSB BFO92IA145](https://openairdocs.org/ntsb/BFO92IA145) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920920044949I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

OUTBOARD FORE FLAP ON RIGHT INBOARD FLAP ASSEMBLY BROKE LOOSE AND FELL FROM AIRCRAFT ON FINAL APPROACH.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB BFO92IA145](https://openairdocs.org/ntsb/BFO92IA145), Sep 20, 1992: Lockheed L1011-385 (N786DL), Boston, MA, incident, minor damage. Probable cause: INADEQUATE LUBRICATION WHICH CAUSED STRESS CORROSION CRACKING AND THE SEPARATION OF THE RIGHT WING NUMBER TWO FLAP VANE.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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