What was found
DURING CCK IN MSP, MAINTENANCE WAS ACCOMPLISHING ROUTINE CARD 2021-2025 AND FOUND CORROSION COMMON TO THE AFT WASTE SERVICE DOOR AREA. CORROSION IS COMMON TO THE DOOR AT HINGE ARM ATTACHMENT AND ON THE DOUBLER INBOARD FORWARD AND AFT CORNERS. THE FUSELAGE SKIN SURROUNDING THE WASTE CUTOUT IS ALSO CORRODED. REMOVED CORROSION IAW ASRP BD 500-A-J51-21-06-01AAA-258-A-A, REMOVED DAMAGED DOUBLER, FABRICATED SKIN REPAIR DOUBLER AND TRIPLER AND INSTALLED PER ERA 618056-14. (LP 9587811 - AIRCRAFT WAS GROUNDED)