![]() ![]() British Airways soon replaced the GE90 with Rolls-Royce engines on their 777s.GE90 engines can only be air freighted in assembled form by outsize cargo aircraft such as the, presenting unique problems if, due to emergency diversions, a 777 were stranded in a place without the proper spare parts. In addition the GE90's increased output was not yet put to use by airlines and it was also the heaviest engine option, making it the least popular choice while Rolls-Royce held the top spot. ![]() British Airways' aircraft returned to full service later that year.Problems with GE90 development and testing caused delays in certification.
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