As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: (CPCP FINDING) CORROSION ON STRG 21LH, LOCATED BTW FR 86/ FR 90 AT CENTER FUSELAGE III INTERNAL STRUCTURE; (RESOLVED ON W/O: 1177513 TASKCARD: NR-00049 ) REF NRC 00327: CORROSION IS OUT OF LIMITS. REPAIRED PER EMB 190 SRM 53-23-03 REP .51 & ETI 190-22-724. ACC BY # 10000210, INSP BY # 10001171.