What was found
THE NR 3 ENGINE A AND B FIRELOOP LIGHTS ILLUMINATED AND THE FIRE HANDLE FLASHED AFTER TAKEOFF FROM HNL. CHECKLIST PROCEDURES WERE COMPLIED WITH AND THE AIRCRAFT WAS RETURNED TO HNL WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 3 ENGINE 13TH STAGE MANIFOLD CRACKED. THE NR 3 ENGINE IS BEING REMOVED AND REPLACED. *S/D* ENGINEERING FOUND THE COMPRESSOR REAR FRAME BOSS TO THE 14TH STAGE CDP CRACKED.