What was found
RH WING BAT RIB AT WS14.50 CRACKED ALL THE WAY THROUGH TO THE LIGHTNING/PASS-THROUGH HOLE. CRACK LOCATED APPROXIMATELY 7 INCHES AFT OF THE REAR SPAR. THIS DISCREPANCY IS CONSIDER A MAJOR REPAIR. (FILED CLOSED)REPLACEMENT OF RH BAT RIB AT WS14.50 WAS COMPLETED BY THE MHIRJ MRT USING THE FOLLOWING REFERENCES, ISE-STR-25-051 REV. --, DWG: CC670-10610 REV. -D, DWG: CC670-10740 REV. B, CRJ900 SRM 51-42-21, SRM 51-42-22, SRM 51-42-06, AND AMM 51-23-00. COMPLETED M337. COMPLETED TASK CARD 51-900-1002-SKY. SEE CHILD CAMPS FOR FOM RELATED ITEMS.