What was found
(CAN) DURING THE CRUISE PORTION OF THE FLIGHT, THE SLATS BECAME "FROZEN" IN THE NR 3 POSITION. A "PANPAN" MESSAGE WAS GIVEN TO ATC AS A PRECAUTION. THE FLIGHT CONTINUED AND LANDED WITHOUT FURTHER INCIDENT. CFR WAS ON STANDBY AS A PRECAUTION. OTBD SLAT SKEW SENSOR & SLAT HARNESS (BETWEEN SLAT 2-3) REPLACED & CHK SERVICEABLE IAW AMM 27-83-01 & 27-83-07. IND CHECK. (AC08252) SKEW SENSOR PN 1702286B, SN 2348, POSITION LIB.