What was found
RH CABIN AFT CABIN SIDE SEAT TRACK IS CORRODED FROM FS554 TO FS559.00+77 AS MARKED. REMOVED DADO PANEL 272ELW FOR ACCESS IAW CRJ200 AMM 25-26-02-000-802. INSTALLED DADO PANEL 272ELW PER CRJ200 AMM 25-26-02-400-801. OK TO CLOSE. REMOVED SIDEWALL PANELS 272BLW AND 272ALW FOR ACCESS IAW CRJ200 AMM 25-26-01-000-801. INSTALLED SIDEWALL PANELS 272BLW AND 272ALW PER CRJ200 AMM 25-26-01-400-801. OK TO CLOSE. REMOVED CORRODED SEAT TRACK IAW CRJ200 AMM 53-01-11-000-802. REPAIR SEAT TRACK IAW REO 601R-53-00-055 REV.C DATE 2017-03-21, REPAIR A STEPS 1-4. STEP 5 OF REPAIR A OF REO 601R-53-00-055 REQUIRED. INSTALLED NEW SEAT TRACK PER CRJ200 REO 601R-53-00-055 STEP #5 CRJ200 SRM 51-23-00.