As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIBS FOUND TO EXPERIENCE CRACKING AROUND RIVET HOLES NOTED DURING INSPECTION. INSTALLED HORIZONTAL STABILIZER RIB REPLACEMENT KIT P/N 128-6200-1 S/N 257 IAW DWG NR 128-6200 REV 4 KIT INSTRUCTIONS. REPLACED LEFT NOSE RIB 128-620020-0001 AND RIGHT NOSE RIB 128-620020-0002 IAW 400/400A SRM 55-30-00 GUIDELINES. INSTALLED A NEW TERMINAL COVER P/N MS25171-25 ON THE RIGHT ELEVATOR WIRE FOR THE HEATER HORN. REF MM 27-30-00.