54-20-01
final ruleAirworthiness Directives; Aircraft Belt and Trim (Safety Belt): Model LBM-1900 (Dwg. No. 19001)
Unsafe Condition: The belt assemblies of Model LBM-1900 (Dwg. No. 19001) Safety Belts manufactured prior to April 1, 1954, with LBM-1900-3 and -3A buckles were found to be under strength for a majority of specimens ...
Why matched: Airworthiness Directives; Aircraft Belt and Trim (Safety Belt): Model LBM-1900 (Dwg. No. 19001)