FAA Airworthiness Directive 2008-26-12 applies to the Blank L23. Effective 1/28/2009 and involves inspection of the control bridge within 3 months of that date and repetitive inspection every 12 months. AD available on faa.gov with Aircraft Industries a.s. the listed manufacturer of the L23 (not LET).

- Barry Muhlenberg, Cloudniners Glider Club, Morgantown, PA