During the course of your next inspection, pay particular attention to the #2 engine after-body bulkhead drag angles for cracks. With the thrust reverser buckets in the deploy position, wipe down the area in question on both the LH and RH sides and perform a general visual inspection. Cracks have been found as small as a couple of millimeters to as long as six inches.
If cracks are found, Duncan Aviation structure technicians have been performing a Structural Repair Manual 1 doubler repair. If you have any questions, feel free to contact me for further advice.
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