As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR RETURN, GEAR DISAGREE UP ONCE WE SELECTED GEAR UP AFTER TAKEOFF (ABOUT 20 SC.), ALSO HAD HYD 3 LO PRESS CAUTION MSG ( NOTICED THAT THE HYD 3 PRESSURE WAS AT 1100 PSI). COMPLIED WITH PA05-018B GAR DISAGREE EVENT PROCEDURES. R&R NR 3 HYD SYS FLUID RESERVOIR IAW AMM 29-12-30. LEAK CHECK GOOD. LANDING GEAR RETRACTION AND EXTENSION SYS FC NORMAL IAW AMM 32-30-00. PART EFFECTIVITY VERIFIED.