N6478
Registered owner: YOUNKIN MATTHEW TRUSTEE, AR (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
1 report on file, 2015-08-29.
Part: STRUCTURE — CRACKED (WING) · airframe 12,017 hrs
CRACKS FOUND IN UPPER TUBE OF CARRY THRU ASSEMBLY, PN 391-030-401-30, AT LOW POINT OF THE TWO CUT OUTS WHICH ARE MILLED IN THE TUBE TO ALLOW INSTALLATION OF WING ATTACH BOLT. THE MILLING PROCESS LEFT A SHARP EDGE THAT CREATED A STRESS RISER. THIS IS A CRITICAL FACTOR CONTRIBUTING IN HOW THESE CRACKS DEVELOP. WE HAVE SINCE DRESSED THE SHARP EDGES ON OUR OTHER CARRY THRU ASSEMBLIES TO FORM A 1/8" RADIUS POLISHED BULL NOSE PROFILE.