79-16-04
final ruleAirworthiness Directives; SL Industries Models B-1 and B-1A Airplanes
Unsafe Condition: Failure of the wing rear spar at the wing-fuselage attachment fitting (P/N 160049) due to cracking.
Why matched: Airworthiness Directives; SL Industries Models B-1 and B-1A Airplanes