EASA issued (22-Nov-2010) an Emergency Airworthiness Directive (EAD), superseding the 11-Nov-2010 directive issued following the Rolls-Royce Trent 900 engine incident involving a Qantas A380. EASA investigation results show the need to amend the inspection procedures required by the initial EAD, retaining the inspection of the air buffer cavity and focusing on the oil service tubes within the high pressure and intermediary pressure structure. This EASA directive still makes it mandatory for airlines operating Airbus A380 aircraft equipped with Trent 900 engines to perform repetitive inspections, the first within a maximum of 10 flights, then at intervals not exceeding 20 flights. If any discrepancy is found following these inspections, further engine operation shall be prohibited. The requirements of this EAD are considered interim action as the investigation led by the Australian Transport Safety Bureau is yet to deliver its final conclusions. The incident investigation continues. [more]
EASA issues Emergency Airworthiness Directive on Trent 900 issues
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