As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SPW - PILOT TRAINING, LANDING GEAR DOES NOT RETRACT. MAINTENANCE CYCLED GEAR FIFTEEN TIMES AND COULD NOT DUPLICATE. REMOVED AND REPLACED THE HYDRAULIC POWER PACK PRESSURE SWITCH AND SERVICE VALVE ASSEMBLY. CYCLED GEAR SEVERAL MORE TIMES WITH NO FAILURE. (M)