Incident · 1992-08-21

NTSB case MIA92IA166 · DOUGLAS DC-8-71F · Part 121

What the record says

Event date: 1992-08-21
Event type: Incident
Highest injury level: No injuries
Aircraft: DOUGLAS DC-8-71F (N748UP)
Operating rule: Part 121
Operator: UNITED PARCEL SERVICE CO. Operator named in NTSB report
Operated by (per NTSB report): UNITED PARCEL SERVICE CO.

Probable cause

FAILURE OF THE AIRCRAFT OPERATOR MAINTENANCE PERSONNEL TO ADEQUATELY LUBRICATE AND SEAL THE MAIN LANDING GEAR BOGIE BEAM SWIVEL JOINT AS REQUIRED BY MANUFACTURER AND OPERATOR MAINTENANCE PROGRAM REQUIREMENTS. THIS ALLOWED MOISTURE TO ENTER THE SWIVEL JOINT AND CAUSE CORROSION DAMAGE WHICH CAUSED STRESS CORROSION CRACKING AND FAILURE OF THE SWIVEL JOINT LUGS. CONTRIBUTING TO THE INCIDENT WAS LACK OF CLEAR INSTRUCTIONS IN THE OPERATORS MAINTENANCE PROGRAM REGARDING LUBRICATION OF THE SWIVEL JOINT.

Source: NTSB case MIA92IA166

Flight crew

Flight-crew details for this event aren't in the NTSB database extract we hold (its coverage starts with 2008 events) — a gap in our data, not an absence of crew.

Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.

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