As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENG OTBD CORE COWL HAS CRACK INSIDE ON LOWER STIFFENER BETWEEN STATION 291 & STATION 304. REMOVED CRACKED INTERCOSTAL, INSTALLED NEW INTERCOSTAL PN 314T1210-259 IAW SRM 51-40-02. SDR INFO PN 314T1210-259, SN NSN, PART NAME INTERCOSTAL, LOCATION NAC STATION 291 TO 304 .50 CRACK. ACFT WAS GROUNDED.