What was found
"AFT CARGO DOOR TRACK SUPPORT CROSSBEAM IS CHAFED FROM LIFT CABLES. TRIMMED TO FIT NEW CROSSBEAM AND DRILLED UP NEW FASTERNER HOLES AS REQUIRED AFTER HEAT TREAT PROCESS FOR SUPPORT CROSSBEAM PART # MM670-35502-6 FROM .063"" 7075-""T-6"" MATERIAL (AFTER HEAT TREAT) IAW CRJ 700 SRM TASK 51-24-21-001-001-A01, 51-40-11-001-001-A01 AND REFERENCE DRAWING MM670-35502 FOR MATERIAL/ SPECIFICATIONS. METAL PO # IS 500000958. INSTALLED AFT CARGO TRACK CROSSBEAM SUPPORT PART # MM670-35502-6 IAW CRJ900 SRM 51-42-06-001-001-A01."