What was found
FL320 L ENG STARTED SURGING, EPR +/- .55, N1 +/- 2.3, EGT +/- 20. FOLLOWED QRH, ENGINE STABILIZED IN "FLT" IGN. MODE- REMAIN MOSTLY STABLE. ANY TURB, R ENG SURGED ALSO. INTERMITTENT SURGE FOR REMAINING FLIGHT. DIVERTED TO CVG AND LANDED .MTX GROUNDED AC AND BEGAN TROUBLE SHOOTING. REMOVED AND REPLACED TT2 SENSOR I.A.W. B767 AMM 73-21-05. OPS CHECKED LH ENG TT2 SENSOR IAW B767 AMM 73-21-05. OPS CHECK GOOD. NO LEAKS NOTED. OPERATED #1 ENG AT VARIOUS POWER LEVELS IAW B767 AMM 71-00-00. OPS CHECK GOOD. A/C REMAINS NO ETOPS. MTX RETURNED AC TO SERVICE