What was found
*CORROSION ON INTERNAL FUSELAGE SKIN BETWEEN FS 661.00+90 €“ 677.00, STGR 26L €“ 26R. MARKED. (C-CHECK RO 5/25/2021) REMOVED CORROSION FROM FS 661.0+90 TO FS 677.00 BETWEEN STR 26R AND 26L PER CRJ 900 SRM 51-21-06-001-001-01,FOUND TO BE OUT OF LIMIT PER CRJ 900 SRM 53-31-01-101-003-A03,REQUEST ENGINEERING FOR FURTHER INSTRUCTION,RECIEVED NEW REO 690-53-31-562 REV -- DATE 2021-03-29 AND COMPLIED WITH ALL STEPS PER REO 1-6.