What was found
LH AFT DRAG ANGLE ON VERTICAL STABILIZER IS CRACKED. : REMOVED LH AFT DRAG ANGLE FROM VERTICAL STABILIZER IAW CRJ900 SRM 51-42-21-001-001-A01, 51-42-13-001-001-A01, & 51-42-22-001-001-A01. AND FIT, DRILLED AND TRANSFERED HOLES INTO NEW ANGLE IAW CRJ900 SRM 51-40-11-001-001-A01.AND THEN COUNTERSUNK AND INSTALLED NEW AFT DRAG ANGLE P/N AV670-21186-003, ON VERTICAL STABILIZER IAW CRJ-900 51-42-10-001-001-A01, 51-42-22-001-001-A01 AND 51-42-21-001-001-A01.AS WELL AS SEALED AND PAINTED IAW CRJ-900 SRM 51-22-00-001-001-A01 51-25-01-001-001-A01