AD 93-22-05

[Strutwipe]

Hi All,

I'm doing an annual on O-200 engine. There is an AD describing cracks and exchanging the induction airbox if any cracks found. If no cracks are found, the engine goes on a 25 hour recurring inspection requirement. When I read the AD, it seems to apply to only seven O-200A engines or any airbox made after Oct 1991 (yes, there are other model engines) is applicable. Has anyone ever delt with this AD?

 

[Magman]

You have to read the AD more carefully. The presence nor absence of a stamp is significant. You have to determine if your configuration is applicable. Many air boxes did not have the Teflon feature. So no stamp and a matching configuration makes recurrent inspections mandatory.

TCM CSB 93-13 will provide the criteria to measure the Teflon bushing as part of the identification procedure as well as outlining the inspection procedure.