As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: 3L DOOR SLIDE PRESSURE LOW INDICATION ON FLIGHT ATTENDENTS PANEL. PER TSM 25-62-00-810-809-A RESET BOTH DEU-B 300RH6 AND 300RH4. ALSO CLEANED AND SECURED THE CONNECTOR OF THE L3 DOOR SLIDE BOTTLE PRESSURE REGULATOR / PRESSURE GAUGE. ACCOMPLISHED A SATISFACTORY OPERATION CHECK OF THE L3 DOOR PER AMM 25-62-49-400-001-A.