What was found
AIRCRAFT RETURNED TO PLATFORM, AFTER LT ENG START, THE BLEED DUCT PRESS INDICATOR SHOWED 5 PSI & IT WAS STABILIZED AT 10 PSI. PERFORMED REVISION, DETECTING THE ELEC HARNESS NR MW0311 DAMAGED. THE LT ELEC HARNESS NR MW0311, BLEED AIR REGULATOR & TUBE WERE REPLACED IAW AMM 71-51-03 & AMM 36-11-03 RESPECTIVELY, TESTED CORRECT.