What was found
RIGHT COWL VALVE OPEN LIGHT REMAINS ILLUMINATED AFTER BEING TURNED OFF. ACFT GROUNDED. ACCOMPLISHED FIM TASK 30-21-00-810-804. REPLACED INLET COWL THERMAL ANTI-ICE VALVE IAW AMM 30-21-11-401 BEFORE COMPLETION OF STEP I IN TASK 30-21-11-401, FOUND DP1102 REMOVED FROM ENGINE BLEED AIR PRESSURE REGULATOR PLUG HAD COME APART. STEP I IS NOT COMPLETE. REPLACED MW0311 HARNESS, REF AMM 73-21-06-400-802. ACCOMPLISHED BLEED AIR REGULATOR INSTALLATION TEST, TESTED GOOD REF AMM 36-11-03-400-801. ACCOMPLISHED GROUND WING THERMAL ANTI-ICING SOLENOID VALVE TEST, TESTED GOOD REF AMM 30-11-12-710-801. FINISHED INSTALL OF INLET ANTI-ICE VALVE TESTED GOOD NO LEAKS REF AMM 30-21-11-400-801. ACCOMPLISHED FFCC VIBRATION SENSOR POST INSTALLATION TEST. OPS CHECK GOOD. REF MM TASK 73-21-06-400-802-F00, STEP 5.F.(1)(D)3).