Incident Overview
Date: Sunday 26 May 2002
Aircraft Type: Boeing 737-204
Owner/operator: Aero Continente
Registration Number: OB-1723
Location: 20 NM posici¢n ALBAL, MD –
ÿ Argentina
Phase of Flight: En route
Status: Minor
Casualties: Fatalities: 0 / Occupants: 47
Component Affected: Right wing actuator arm mounting hardwareRight wing actuator arm mounting hardware
Investigating Agency: JIAACJIAAC
Category: Accident
A minor damage occurred to the right wing actuator arm mounting hardware during a passenger transport flight over the Andes due to severe turbulence. The damage resulted from a stress corrosion mechanism that had previously weakened the hardware.A minor damage occurred to the right wing actuator arm mounting hardware during a passenger transport flight over the Andes due to severe turbulence. The damage resulted from a stress corrosion mechanism that had previously weakened the hardware.
Description
Minor damage due to turbulence at FL310 over Andes. Cause During a regular passenger transport flight, during the cruise phase in conditions of severe turbulence, fracture of the right wing actuator arm mounting hardware, due to a stress corrosion mechanism that had previously weakened the part. Contributing Factors 1) Lack of proper maintenance on the right wing components. 2) The additional effort exerted on the surfaces of this command to maintain control of the aircraft.
Source of Information
http://www.jiaac.gob.ar/files/pdf/Bol34.pdf, https://jiaac.gob.ar/files/2510267.pdfhttp://www.jiaac.gob.ar/files/pdf/Bol34.pdf, https://jiaac.gob.ar/files/2510267.pdfPrimary Cause
Lack of proper maintenance on the right wing components.Lack of proper maintenance on the right wing components.Share on:
