As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 HYD PUMP CAUTION INFLIGHT. NR 2 HYD QUANTITY INDICATION ZERO ESTIMATE 30 MIN OPERATING TIME W/O FLUID. EMERGENCY DECLARED AND CFR CALLED. PERFORMED ALTERNATE GEAR EXTENSION. LANDING UNEVENTFUL. REMOVED AND REPLACED NR 2 MLG RETRACTION ACTUATOR EXT/ RET HOSES & NR 2 ENGINE DRIVEN PUMP. C/W GEAR SWINGS, OPS CHECKS,CHECKS GOOD. RETURNED TO SERVICE.