As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE CHECKING FOR A HYDRAULIC LEAK, THE NOSE LANDING GEAR RETRACTED RESULTING IN DOOR 1L BECOMING DETACHED FROM THE FUSELAGE BY THE JETWAY. THE BOEING AOG TEAM WILL BEGIN THE REPAIR PROCESS ON 26AUG99. EXACT CAUSE OF EVENT TO BE DETERMINED.