As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR BLEED MESSAGE. SENSING ELEMENT IN LT AC BAY PREVIOUSLY REPOSITIONED. IAW TSM FOUND HIGH RESISTANCE BETWEEN PIN A-4D AND PIN A-5D OF THE BMC 2. RESISTANCE CHECKS GOOD BETWEEN PIN A-4D OF BMC TO CABLE 77HF. CONTINUED INSTALLATION OF SENSING ELEMENT THRU END OF INSTALLATION. ACCOMPLISHED OPS TEST OF SENSING ELEMENT. ACCMP'D TEST NO FAULTS NOTED.