As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND EVIDENCE OF A BLEED AIR LEAK ON THE INBOARD UPPER COWL OF THE NR 2 ENGINE. REMOVED COWL AND FOUND BLEED AIR FLANGE (ITEM NR 159C REF PAGE 2) SEPARATED APPROXIMATELY .1250 INCH. BOTH BOLTS (ITEM NR 160) HAD THEIR HEADS SHEARED OR POPPED OFF. THE GASKET (ITEM NR 163P) WAS COMPLETELY MISSING. REPLACED ALL GASKETS AND HARDWARE WITH NEW.