As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NEEDLE BEARING FROZE IN PLANET GEAR ASSY CAUSING CARRIER TO BECOME INOPERATIVE. PIN ELONGATED MATING HOLES IN CARRIER. SUNSTRAND SB 27-15 REPLACES NEEDLE BEARING AND PIN WITH CORROSIVE RESISTANT MATERIAL. PRODUCT IMPROVEMENT. SUSPECT CAUSE, WATER IN ACTUATOR DUE TO ACTUATOR BEING VENTED DESIGN. DEFECT CAUSED SLAT LOCK-OUT.