What was found
ON CLIMB OUT, WITH LIGHT ICING CONDITIONS PRESENT, THE OUTBOARD LT STAB FAILED. APPLIED QRH AND CHANGED TIMERS. REMAINED FAILED FOR 20 MINUTES, THEN WORKED AGAIN. RETURNED TO SLC. REPLACED LEFT OUTBOARD STAB TRIM PRESSURE SWITCH. OPS CHECK GOOD IAW 30-00-00. PN OFF 211C117-183 SN OFF V0830A.