As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK MAINTENANCE FOUND RH LATERAL SEAT TRACK FR 23-43 HAS CORROSION AT OR NEAR FRAME 30 AS MARKED. REMOVED CORROSION FROM RH LATERAL SEAT TRACK NEAR FR. 30 REF SRM 51-12-01. MATERIAL LOSS IS 0.012" WHICH HAS BEEN ACCEPTED AS ALLOWABLE DAMAGE REF ETD2018-170-028043. RESTORED SURFACE PROTECTION REF EMB SRM 51-23-04, 51-23-05,51-23-06. A/C REMAINS IN CHECK.