What was found
UNABLE TO UNFEATHER #2 PROP USING UNFEATHER SWITCH ON CDS MAINTENANCE PANEL. REMOVED #2 FEATHERING PUMP IAW Q400 AMM TASK 61-20-31-000-801, 35343. INSTALLED REPLACEMENT #2 FEATHERING PUMP IAW Q400 AMM TASK 61-20-31-400-801 DID NOT FIX, CB STILL TRIPS WITHIN 5-10 SEC OF FEATHER SELECTION DURING OPERATIONAL TEST. CHECKED FOR POWER AND GROUND AT PUMP CONNECTOR 6100-P80. VERIFIED 28 VDC AND NORMAL GROUND WHEN ENERGIZED. REPLACED PUMP CONTACTOR 6100 K2. REF Q400 AMM 61-20-31-000-802 AND 61-20-31-400-802. NO HELP. VERIFIED FAULT BY MEGGERING J606(A) AND J606(B) FINDING SHORT. PINS A AND B BOTH SHOW 3OHMS CONTINUITY TO GND. REF WM Q400 61-20-00-1. . FOUND WIRES 6100-W-86-C-2/BLU & WHT ON SAME TERMINAL BLOCK LUG AND WIRES 6100-W86D-08-2/BLU & WHT ON SAME TERMINAL BLOCK LUG OF 6100-TB2 LOCATED BETWEEN FIREWALL AND FWD SPAR, CORRECTED WIRE CONNECTIONS PER Q400 WM 61-20-00.