What was found
LEFT BLD DUCT LEAK EICAS MSG AT F340. QRH CHECKLIST COMPLETED AND L BLD DUCT LEAK MESSAGE WENT AWAY. PERFORMED FIM 26-90-15-00 SHEET 1 FIG 103 STEPS 1,10,2, SHEET 2 FIG 103 STEPS 3,4,11,12,13, & 14, HAD A FAULT CODE 14, PERFORMED STEP 15 FIG 103, SHEET 3. CARD WOULD NOT RESET. R&R'D DUCT LEAK DETECTION CARD & WHEEL WELL & DUCT LEAK CARD IAW AMM 20-10-01-024-026 & AMM 20-10-01-424-032. OPS CK'D IAW AMM 26-18-00. NO FAULTS NOTED. REMOVED PANEL 193EL & CHECKED BOTH LOOPS A & B FOR CONTINUITY & MEASURED FOR RESISTANCE. RESISTANCE FOUND WITHIN RANGE. CLOSED TR & FAN COWLINGS IAW AMM 78-30-00. RAN ENGINE IAW 71-00-00-201 NO FAULTS FOUND. REINSTALLED PANEL 193EL IAW AMM 20-11-00.