As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 3 PYLON REAR MOUNT BULKHEAD FOUND CRACK AT FWD AND AFT FRAME MOST O/B CRACK LENGTH 3/8" AND 1/4". NR 3 PYLON REAR MOUNT BULKHEAD BOTH SIDES FWD AND AFT FRAMES REPLACED AND REPAIRED AS PER RS R54-53-35431 DETAIL VISUAL AND HFEC INSPECTION OF THE BULKHEAD LWR ASSY PER RS R54-53-35431 REF /E/ EVERY 1200 FLIGHT CYCLES OR 18 MONTHS WHICHEVER IS EARLIER AND UPS EA ENGINERING FILE NUMBER C-54-20024.