What was found
IN ALT (FADEC) WITH THROTTLES AT IDLE, ENG 1 STUCK AT 71% N1 FOLLOWED BY ENG COMP STALL LEFT, AFTER 3 MIN ENG WENT TO IDLE. PERFORMED WIRING CHECK ON OIL PRESSURE TRANSDUCER (CHANNEL B) PER 79-33-802. WIRING OK. DISCONNECTED P30+P50 LINES, EEC TO P50 MANIFOLD BLEW OUT, WATER IN P#) LINE RECONNECTED PER AMM 73-21-06-000-801. PERFORMED CONTINUITY CHECK WIRE HARNESS NR L ENG FMU TO EEC CHANNELS A AND B PER WDW 73-24-01 SHIELD TO GROUND CHECKED OK, PER FIM 72-00 TASK 801. PERFORMED BORESCOPE ON NR 1 ENG COMPRESSOR SECT, PER AMM 72-00-00-200-801, NO DEFECTS WERE NOTED, BUT NOTICED THE CONNECTOR "A/F" ON THE FMU HAD A LOOSE BACK SHELL. TIGHTENED BACK SHELL AND CONNECTOR. PERFORMED HIGH POWER RUN AND OPS CHECK GOOD, NO DEFECTS NOTED, COULD NOT DUPLICATE DISCREPANCY.