WASHINGTON, Jan 6 (Reuters) - Alaska Airlines said on Saturday that inspections on more than a quarter of its 737-9 fleet were complete with "no concerning findings" after the airline grounded dozens of the Boeing planes following an incident on Friday.

Alaska Airlines grounded the planes for safety checks after a cabin panel blow out forced a brand-new plane loaded with passengers to make an emergency landing in Oregon on Friday. (Reporting by David Ljunggren and Timothy Gardner; editing by Diane Craft)