What was found
AFT CARGO DOOR SUPPORT BEAM IS CHAFED ON THE FWD AND AFT END. FIRST CHAFE IS APPROX 0.125 LONG, 0.125 WIDE, AND 0.035 DEEP. SECOND CHAFE IS APPROX 0.125 LONG, 0.125 WIDE, AND 0.025 DEEP. INSTALLED REPAIRED BEAM ASSEMBLY BETWEEN FS1000 AND FS1047, AFT BAGGAGE BAY STRUCTURE IAW CRJ900 SRM 51-42-21-001-001-A01.