70-10-04
final ruleAirworthiness Directives; SPRAGUE ENGINEERING: Applies to all Civil Aircraft Certificated in all Categories including, but not Limited to the Boeing Models 707/720/737 Aircraft and Convair Model 22 Aircraft with the Sprague Engineering Accumulator Assemblies, P/N A-200-25 and A-200-50
Unsafe Condition: Hydraulic accumulator end cap failure due to cyclic fatigue and subsequent explosive hazard to personnel, structure and surrounding equipment, as well as loss of hydraulic system fluid and pressure.
Why matched: Airworthiness Directives; SPRAGUE ENGINEERING: Applies to all Civil Aircraft Certificated in all Categories including, but not Limited to the Boeing Models 707/720/737 Aircraft and Convair Model 22 Aircraft with the Sprague Engineering Accumulator Assemblies, P/N A-200-25 and A-200-50