What was found
LAX INFLIGHT T31/05AUG. CREW REPORTED SMOKE FILLING CABIN. DROPPED OXYGEN MASKS. FLIGHT ATTENDANTS REPORTED RT HAND SIDE OXYGEN MASKS DID NOT DROP. FLIGHT ATTENDANTS MANUALLY DROPPED MASKS AND OXYGEN DID NOT FLOW. RETURNED TO LAX AND LANDED WITHOUT INCIDENT. DEPLOYED SIX SLIDES FOR EMERGENCY EVACUATION. FERRIED AIRCRAFT TO TUL FOR EVALUATION AND REPAIRS OF PASSENGER SERVICE UNITS (PSU). FOUND SHORED WIRE AFT OF MID GALLEY AND REPAIRED. AL PSUS SENT TO SHOP FOR INSPECTION AND REINSTALLED. SYSTEM GROUND CHECKED NORMAL OPS. (CLOSED)