As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NON-ETOPS FLIGHT 946 HNL- KOA - DURING CLIMB, THE CREW NOTED LOSS OF INDICATION ON THE AIRSPEED INDICATOR, ALTIMETER AND VERTICAL SPEED INDICATOR. CREW RETURNED TO HNL WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE DIGITAL AIR DATA COMPUTER AND FOUND ALL OPERATIONAL CHECKS OKAY. AIRCRAFT WAS RETURNED TO SERVICE.