As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MZJ - DURING C-CHECK, THE MAIN CABIN AFT PRESSURE BULKHEAD AT STATION 840, LEFT SIDE OF DOOR JAMB, LOWER PLATE WAS FOUND TO HAVE HEAVY CORROSION. REMOVED CORROSION FOUND TO BE OUT OF LIMITS PER DC-9 SRM 51-110-3 PAGE 1-36 AND 53-01 FIG 1-4. DRILLED NEW GUSSET UP PER DC-9 SRM 51-10-4 PAGE 1-2. ALODINE GUSSET PER DC-9 SRM 51-10-3 PAGE 18. PRIMED GUSSET PER DC-9 51-10-3 PAGE 16. INSTALLED NEW GUSSET PER DC-9 SRM 51-30-5 PAGE 1-30 FIG 1-17. (M)