What was found
ENGINE INSTALLED WITH NEW MILLENNIUM CYLINDERS DURING MAJOR OVERHAUL. COMPRESSION CHECKS AFTER 100.5 HOURS REVEALED NR 1 - 52 PSI, NR 2 - 64 PSI, NR 3 - 52 PSI, NR 4 - 72 PSI. ALL CYLINDERS REMOVED FOR REHONING AND PISTONS RE-RINGED. SUBMITTER RECOMMENDS REVISED RUN-IN PROCEDURES AND OPERATING PROCEDURES DURING FIRST 50 HOURS. ENGINE TT, 4051.8 HOURS.