As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HNL - FLT 26 - E-6 LOG PAGE NR 4102029. AIRCRAFT MADE AIR TURN-BACK TO HNL. NR 3 MANIFOLD FAIL ILLUMINATED DURING CLIMB. NOTE: MANIFOLD PRESSURE, 45 PSI. MANIFOLD TEMPERATURE, 275 DEGREES. LIGHT REMAINED ON FOR 3 MINUTES AFTER PNEU SUPPLY DETECTOR SWITCH OFF. FOUND NR 3 PACK HEAT EXCHANGER DUCT MOUNTS DAMAGED. REMOVED AND REPLACED NR 3 HEAT EXCHANGER. LEAK CHECK AND OP CHECK GOOD. (X)