No fatalities
3 Aug 2023: BOEING 767-322 — UNITED AIRLINES INC — Chantilly, VA
On 3 Aug 2023, a BOEING 767-322 operated by UNITED AIRLINES INC was involved in an aviation accident near Chantilly, VA. No fatalities were reported. Investigators recorded the probable cause as: Improper overhaul of the trunnion cross-pin hole that resulted in the development of stress corrosion cracking and eventual failure of the right forward trunnion. This summary draws on records from NTSB; 17 related events involving the same aircraft type or operator are linked below.
Probable cause
Improper overhaul of the trunnion cross-pin hole that resulted in the development of stress corrosion cracking and eventual failure of the right forward trunnion.
— NTSB Determination
Contributing factors
Incorrect service/maintenanceFatigue/wear/corrosionMain landing gear attach sec — FailureGear attach fittings (on fus) — Failure