What was found
WHILE PERFORMING SB670-53-045, FOUND RH FRAME SECTOR AT FS235 TO BE CRACKED. REMOVED AND INSTALLED NEW SEVICEABLE LH FS235 FRAME, UPPER FRAME SECTOR PN: CC670-34133-8 /10S (MHIRJ PCN-CC670-34133-6-100120110818-REV1) IAW CRJ900-SRM 51-40-11-001-001-A01, 51-42-13-001-001-A01, 51-42-21-001-001-A01, 51-42-060001-001-A01. THIS IS A PERM REPAIR