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FAA Chief: 'Great Deal of Testing' Needed Before 787 Flies Again

Boeing's 787 on its test flight
Source: The Boeing Comapany | Flickr
Boeing's 787 on its test flight

The head of the Federal Aviation Administration said "a great deal of testing" will be needed on Boeing's beleaguered line of 787 planes, before Dreamliners are cleared to fly again.

(Read More: Boeing to Lay Out Plan to Fix Grounded Dreamliners)

At a congressional hearing on the funding and future plans of the FAA, Administrator Michael Huerta was asked about the Boeing's proposal for fixing the Dreamliner.

"I expect to receive a report on it next week," Huerta said. "Once we approve the plan, then we have to go through the process of actually implementing the plan which will involve a great deal of testing, a great deal of further analysis and re-engineering before these planes go back in the air."

Huerta would not give a time frame for when his agency may approve the plan to fix Dreamliners. The plane has been grounded since Jan. 17.

(Read More: 787 Battery Safety 'Must Be Reconsidered': NTSB)

Testifying before the House Committee on Transportation and Infrastructure, Huerta was asked about reports the FAA is close to approving another round of test flights for the Dreamliner. Huerta said his administration has no specific plans to approve more flights and that Boeing has not even submitted a formal request for more Dreamliner test flights.

(Read More: Boeing Completes 'Uneventful' Test Flight of 787)

Last week, Boeing executives flew to Washington to present their proposal for ensuring the Dreamliner has no future problems with the lithium-ion batteries in the plane. This week, Boeing executives will make a similar presentation to aviation authorities in Japan.

—By CNBC's Phil LeBeau; Follow him on Twitter @LeBeauCarNews

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