As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON WEB ON STEP 5 AT VENTRAL STAIRWAY. WAS ACCOMPLISHED PER NDT SPM 04-00-07 PAR 5 FIG 3; ORIGINAL THICKNESS IS 0.040" AND MINIMUM REMAINING THICKNESS IS 0.024" THEREFORE AREA IS OUT OF LIMITS PER ER/A: 511165-14MA REV D. WEB ON STEP 5 AT VENTRAL STAIRWAY WAS REPAIRED (PERMANENT REPAIR) PER SRM VOL. I 52-00-01 FIG 5.