As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NON-ETOPS FLT 104, HNL-KOA: LOST A SYSTEM HYDRAULICS DURING CLIMB-OUT. RETURNED TO HNL. FLAPS WOULD NOT EXTEND TO 15 USING ALTERNATE FLAP SYSTEM. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE HYDRAULIC PUMP DUE TO INPUT SHAFT SEAL LEAKING PER AMM 29-11-31. OPS AND LEAK CHECK GOOD. MAINTENANCE REMOVED AND REPLACED THE FLAP ALTERNATE DRIVE UNIT. OPERATIONAL AND LEAK CHECK GOOD PER MM 27-51-241. AIRCRAFT RETURNED TO SERVICE.