As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE C-CHECK INSPECTION, FOUND AFT PRESSURE BULKHEAD FWD SIDE FROM L24RH TO L12L HAS AREAS OF SPOT CORROSION LOWER SIDE. REMOVED CORRODED FRAME SECTION IAW L1011 SRM 51-21-01. REPAIRED IAW LOCKHEED L1011 SRM 53-11-0 FIG 848. FRAME REPAIR AT S25 AND S33. C-CHECK WORK CARD NUMBER 01-53-1009. NON-ROUTINE TASK CARD NUMBER 000682.