What was found
DURING CLIMB & CRUISE, LT ENG INTERMITTENTLY FLUCTUATING 70 D EG EGT WHILST CHANGING OIL FILTER ELEMENT FOUND CONNECTION TO EGT PROBE LOOSE-DETACHED. REF LP 9139035 AND 9139666 FOR CORRECTIVE ACTION. DUE TO THE AIR RETURN FOR ENG 2 BLEED & REPORT OF ENGINE 1 RUNNING HOTTER WITH ELEVATED N2 VIBES ESCPP REQUESTING A VISUAL INSPECTION OF THE OIL FILTER. REPLACEMENT OF O-RING & INSPECTED FOR SECURITY. R & R OIL FILTER PER AMM TASK 79-21-07-400-802-G00. ORIGINAL FILTER INSPECTED AND NO CONTAMINATION WAS NOTED. REPLACED LOWER T49 EGT PROBE CABLE IAW AMM 77-21-05-400-801-000. ENG RUN & TEST 16 ACCOMPLISHED. ENG RUN CARRIED OUT, ALL INDICATION NORMAL.