What was found
AFTER TAKEOFF GEAR DISAGREE MESSAGE. BEFORE WE COULD RUN THE QRH, THE CHECKLIST MESSAGE WENT AWAY AND GEAR CAME UP AND LOCKED. (FLT#3997) REMOVED AND REPLACED HYDRAULIC 3 ACCUMULATOR IAW AMM. EXTENSION/RETRACTION TESTS GOOD IAW AMM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF GEAR DISAGREE MESSAGE. BEFORE WE COULD RUN THE QRH, THE CHECKLIST MESSAGE WENT AWAY AND GEAR CAME UP AND LOCKED. (FLT#3997) REMOVED AND REPLACED HYDRAULIC 3 ACCUMULATOR IAW AMM. EXTENSION/RETRACTION TESTS GOOD IAW AMM.