What was found
(CAN) PH-HZK DURING APPROACH, THE FLIGHT CREW OBSERVED TRAILING EDGE FLAPS ASYMMETRY CONDITION WITH LT SIDE INDICATING 0 DEGREES AND RT SIDE INDICATING 0.5 DEGREES. AFTER TOUCHDOWN PSEU LIGHT ILLUMINATED. MAINTENANCE FOUND LT TORQUE TUBE (CONNECTING PDU WITH NR 4 TRANSMISSION) PHYSICALLY BROKEN (SEVERED). LT TRAILING EDGE (T/E) FLAPS FOUND LOCKED-OUT AND INDICATING PINS (4) POPPED. NEW TORQUE TUBE INSTALLED, IAW AMM TASK 27-51-56-400-803. T/E FLAPS EXTENDED, VISUALLY INSPECTED FOR FAULTS, NIL FINDING. NR 4 FLAP TRANSMISSION OIL DRAINED FOR EXAMINATION AND RE-FILLED IAW AMM TASK 12-22-51-610-804, NIL FAULTS. TORQUE INDICATORS (4) RESET. FLAPS OPERATED ON PRIMARY AND FAULT SYSTEMS, NIL FAULTS. FSEU AND PSEU BITE CHECK PERFORMED, NIL FAULTS IAW 27-57-00-800 (TC NR 20081222002).