Quote:
Originally Posted by Skymaster337B
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.
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I transposed the D number wrong. There is no STC required to get a civil certification for an O-2. The type certificate data sheet spells out what is required. There are no additional requirements for the spar inspection than what is specified for any other 337 airplane. Please see the AD and Cessna Service Bulletin for details.