Checks ordered on one third of A380 fleet

Fri Jan 20, 2012 12:37pm EST
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By Tim Hepher and Axelle du Crest

PARIS (Reuters) - Europe's safety regulator on Friday ordered urgent inspections on almost a third of the Airbus EAD.PA A380 fleet after cracks were found inside the wings of the world's largest jetliner.

No superjumbos have been grounded but the most heavily used aircraft -- those subjected to at least 1,800 take-offs and landings that impose the most strain on an airframe -- must be examined within four days, authorities said.

The European Aviation Safety Agency acted after European planemaker Airbus disclosed two sets of cracks on its A380s just two weeks apart, and barely four years after the 525-seat double-decker passenger jet entered service.

The second type of cracks, which like the first appeared on a bracket joining the exterior to metal ribs inside the wings, was "more significant" and could develop on other aircraft if the problem is not addressed, the Cologne-based agency said.

"This condition, if not detected and corrected, could potentially affect the structural integrity of the aeroplane," EASA said in an airworthiness directive issued on Friday.

Inspectors ordered checks within six weeks for another category of aircraft with a history of 1,300 to 1,800 cycles.

In total, the two-speed recommendations cover 20 aircraft including 10 from Singapore Airlines (SIAL.SI: Quote), seven from Emirates, one from Air France (AIRF.PA: Quote) and two test planes, according to a published list of serial numbers at

Experts say engineers must carry out visual checks by climbing inside the ribcage of each UK-built wing. The process is expected to take each jet out of service for about 24 hours.   Continued...