As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SERVICE DOOR LOWER THRESHOLD BETWEEN FR 20 THRU 22 HAS CORROSION ON UPPER SURFACE. REMOVED OLD SERVICE DOOR THRESHOLD SILL, PICKED UP HOLES ON NEW PART AND TEMP INSTALLED. WAITING ON HI LITES. INSTALLED NEW PART. NUTPLATE HOLES NEED TO BE LOCATED OFF FLOOR BOARD. INSTALLED NUTPLATES IN THE SVC DOOR THRESHOLD.