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-   -   Omni 767 gear collapse in Bucharest (https://www.pprune.org/rumours-news/635119-omni-767-gear-collapse-bucharest.html)

Webby737 1st Sep 2020 18:21

It could well have been a manufacturing defect that was not found during overhaul.
Even the CMM procedures do not cover all the inspections that would need to be carried out. For example the CMM might state 'carry out Magnetic Particle Inspection of shock strut IAW ASTM 1441", it would then be up to the MRO or overhaul shop to write their own in house inspection procedure based on the guidelines of the ASTM.

Wunwing 3rd Sep 2020 07:03


From memory the cause was an oleo failure of a swapped strut from a B747 100 series ,so a lot of time. When the unit was overhauled by the supplier, the inspection of the bore failed to identify that there was a minute spur of ferrous metal penetration into the chrome bore which set up a fatigue point.

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