As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SFO - DURING OVERNIGHT MAINTENANCE, INADVERENT SLIDE DEPLOYMENT OF OVERWING SLIDE AT DOOR R-3. SLIDE DEPLOYED ON THE WING BUT DID NOT DEPLOY TO THE GROUND. REPLACED OVERWING SLIDE AT R-3 DOOR. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)