What was found
DURING CLIMB AT FL15.0, NR 4 ENG NACELLE 'B' IND WENT OT 6.0. 'A' IND 3.1. THRUST LEVEL 110.0, N1 & EGT NORMAL ON ALL ENGS. 'B' IND RETURNED TO 3.5 AT FL25.0 WITH CLIMB POWER SET. NR 4 ENG 'A' & 'B' INDS WENT TO 8,0 & EGT ON NR 4 ENG WENT TO 940 & NR 4 THRUST LEVER RETARDED & FHB PROCEDURES COMPLIED WITH. NR 2 BLEED AIR VALVE CLOSED HI STAGE LIGHT REMAINED ON & 'A' & 'B' INDS RETURNED TO 3.0. FOUND RT CORE LOOP CONNECTOR WIRING DAMAGED. R & R CONNECTOR. REPAIRED SERVERAL WIRES AT DIFFERENT LOCATIONS ON ENG ACCY PER MM. FOUND OVER PRESSURE VALVE LEAKING DURING LEAK CHECKS. R & R OVER PRESS VALVE ACC MM. LEAK CHECK SATISFACTORY. CHKD ALL DUCTS ON ENG & NO DEFECTS FOUND. R & R OVER PRESSURE VALVE ACC P