What was found
ON APPROACH, RECEIVED ECAM MESSAGE FOR F/CTL SLATS FAULT; DECLARED PRECAUTIONARY EMERGENCY LANDING AND LANDED WITHOUT FURTHER EVENT. MX TROUBLESHOT SLAT SYS PER TSM 27-81-00-810-810, SLAT SYSTEM OPERATED NORMALLY. INSP OF SLAT ACT FOUND RT OTBD NR 4 SLAT ACT 6087CM TORQUE LIMITER TRIPPED. REPLACED RT OTBD NR 4 SLAT ACT IAW AMM 27-84-49-04, OPS CHK GOOD. FUNCTIONAL TEST OF SLAT ACT CONFIRMED REASON FOR REMOVAL, UNIT FAILED LOW TEMP TEST, FRICTION PLATES WORN OUT OF LIMITS, & A BEARING FOUND BINDING CAUSING EFFICIENCY PROBLEMS. REPLACED FRICTION PLATES & ALL BEARINGS. ACT MODIFIED TO SB 830A-27-01, REPAIRS & TESTING ACCOMPLISHED IAW CMM 27-82-14, REV. 4.