What was found
* AFT CARGO DOOR SURROUND LOWER SILL CORRODED IN MULTIPLE SPOTS (MARKED). (C-CHECK RO 4/25/2022) REMOVED AND REPLACED AFT CARGO DOOR LOWER SILL. REF. CRJ900 SRM 51-42-06-001-001-A01, CRJ900 SRM SRM 51-42-21-001-001-A01, CRJ900 SRM SRM 51-42-13-001-001-A01 AND DWG # MM670-35085 REV. L. PERFORMED PRESSURE LEAK CHECK REF CRJ900 AMM 21-31-00-910-801 (CONFIG A02). LEAK CHECK FAILED SEE CAMP#24582579 91516451$M531. COMPLIED WITH 51-900-1002-SKY.