As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YIP - DURING SCHEDULED CHECK, REFLECTIVE PROBE EDDY CURRENT AND ULTRASONIC INSPECTION IAW AD 66-04-02 AND LOCKHEED SB 620 REVEALED THE FOLLOWING WING PANEL CRACKS. REFERENCE OPERATOR CONTROL NR ZIAA96009, 96ZZZX2336, NR 96ZZZX2337, AND NR 96ZZZX2338.