As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT INBD INTERCOSTAL IS CORRODED BETWEEN FR 90-91. BLENDED RT INBD INTERCOSTAL BETWEEN FR 90-91. 0.034" REMAINING ON INTERCOSTAL, 0.036" ON ADJACENT L ANGLE. PER SRM 51-75-16 REMAINING THICKNESS IS GREATER THAN ACCEPTABLE; THEREFORE OUT OF LIMITS. POINT MIC HG3-61455 / CAL DUE 4-30-19 INSTALLED NEW INTERCOSTAL REF SRM 51-40-02 51-23-04 APPLY SURFACE PROTECTION TO RT INBD INTERCOSTAL AT FR 90-91. REF SRM 51-23-06 AND CPM 51-25-00 SEE W/O H6577 SN 501 FOR WORK DETAILS. AIRCRAFT REMAINS IN HEAVY CHECK BNA.