What was found
DURING THE CLIMB PHASE, A LOUD POP OCCURRED FOLLOWED BY AIR LEAK NOISE WITH CLIMBING CABIN ALTITUDE. DECLARED EMERGENCY, RETURNED TO FIELD, LANDED WITHOUT INCIDENT. ON THE GROUND, FWD EBAY DOOR FLUCTUATED FROM GREEN TO AMBER, BACK TO GREEN ON STATUS PAGE. R & R FWD AVNX ACCESS HATCH.