As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON SHOP VISIT, DAMAGE WAS FOUND TO THE TOP HALF OF THE C1 DOOR, OUTER SKIN. THE SKIN WAS TRIMMED BETWEEN THE NR 3 AND NR 4 STOP BEAMS AND REMOVED TO THE UPPER EDGE. A NEW SECTION WAS FABRICATED AND SPLICE INSTALLED. THE SPLICE CONSISTED OF AN EXTERNAL DOUBLER AND TRIPLER.