What was found
BDL - FLT 1738 - WHEN FLAPS WERE EXTENDED FOR LANDING AT BDL, FROM PHL, THE AIRCRAFT ROLLED RIGHT. IT REQUIRED OPPOSING AILERON FORCE OF 2 TO 3 DEGREES LEFT AILERON TO STOP ROLL. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE RIGHT INBOARD AFT FLAP DRIVE BOOM DETACHED, CAUSING FLAP TO JAM. REMOVED AND REPLACED DAMAGED RIGHT INBOARD AFT FLAP DRIVE BOOM ARM ASSEMBLY AND FITTING PER MM. RIGGED FLAPS. OPS CHECK GOOD. (M)