What was found
DURING CRUISE, NR 2 ENG OIL PRESSURE WARNING ILLUMINATED, OBSERVED NR 2 OIL PRESSURE INDICATION SHOWING ALL DASHES, THEN ZERO, THEN ALL DASHES AGAIN. NR 2 PEC CAUTION LIGHT ILLUMINATED, FOLLOWED BY A "POWERPLANT" MESSAGE ON E.D. CONDUCTED NR 2 ENGINE FAILURE CHECKLIST. NR 2 FADEC FAIL WARNING LIGHT ILLUMINATED PRIOR TO SELECTING NR 2 CONDITION LEVER TO FUEL OFF. PTU LIGHT NEVER ILLUMINATED & NR 2 HYD PRESSURE AT ZERO. F/A REPORTED A LOUD SQUEALING NOISE IN MID-CABIN. NR 2 RUDDER HYD CAUTION LIGHT ILLUMINATED. NR 2 HYD ISOLATION VALVE CAUTION LIGHT ILLUMINATED. NR 1 HYD PUMP CAUTION LIGHT FLICKERED INNTERMITTENTLY, OBSERVED NR 1 HYD PRESSURE FLUCTUATING BETWEEN 2200-2500 PSI. REDUCED NR 1 ENGINE POWER AND NR 1 HYD CAUTION LIGHT EXTINGUISHED, NR 1 HYD PRESSURE STABILIZED. COMPLIED WITH NR 2 RUDDER HYD CAUTION CHECKLIST. COMPLIED WITH NR 2 HYD ISOLATION VALVE CAUTION CHECKLIST & EXTENDED MLG USING ALTERNATE METHOD. LANDED SINGLE ENGINE. REPLACED ENGINE AND PTU (PN 51149-04, SN K0025). INSPECTION OF SYSTEMS 1 & 2 HYD FILTERS SHOWED NO DEFECTS , NO HYD DPI'S WERE EXTENDED , ALL CLOSE OUT TESTS CHECKED GOOD. RETURNED TO SERVICE.