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Just to clarify, AD 78-08-05 is for DC-10's. The AD we're talking about is 78-09-05. The way I read the AD is the 3,000 hour inspection is not mandatory...but suggested. But I thought the O-2's required an STC to convert them to an N number. And that STC required the spare inspection every 500 hours regardless of how many hours are on the airframe. Do I understand this right?
Otherwise, a "normal" Skymaster requires the inspection starting at 5,000 hours. And Pressurized Skymasters start that inspection at 10,000 hours.
Last edited by Skymaster337B : 07-09-09 at 10:51 PM.
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