What was found
CAPTAIN REPORTED THAT DURING CRUISE, THE LT ENG VIBRATION REACHED 2.1 & THE RT ENG VIBRATION REACHED 0.16. ACFT WAS SENT TO THE HANGAR & MX REPLACED THE LT LUBRICATION UNIT, THE ENG FIRE DETECTOR HARNESS IAW AMM 79-21-01, AMM 26-11-02 & CONDITIONAL INSPECTION TO ACFT IAW AMM 05-51-67 FIGURE 201. CHECK NR 6 & VIBRATION TEST NR 7 WAS PERFORMED IAW MM 72-00-00, BEING WITHIN LIMITS.