Engine Improvement - Introduction of Blue Ribbon Modifications

Airworthiness Directive number
11 Amdt 3
Airworthiness Directives issue number
4/1971
ID
725
Series name
Rolls Royce (Allison) Turbine Engines - 250 Series
Series number
AD/AL 250/
Series order
32
File name
AL250-011.pdf
Folder name
AL250
Group title
TURBINE
Groups
TURBINE
Group description
Turbine engines
Authority
CASA
Online version available at: https://www.casa.gov.au//index.php/aircraft/airworthiness/airworthiness-directives/engine-improvement-introduction-blue-ribbon-modifications
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