As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DOOR PRESSURE INDICATION (DOOR 1L) AND PRESSURE INDICATION ON FLIGHT ATTENDANT PANEL DISAGREE. SLIDE INDICATION ON FLIGHT ATTENDANT PANEL SHOWS DISARMED WITH ALL MECHANICAL DOOR INDICATIONS SHOWING ARMED. COCKPIT INDICATION SHOWS DOOR 1L AS ARMED WHEN DOOR SHOWS ARMED MECHANICALLY. REPLACED L1 DOOR ASSIST BOTTLE DIAPHRAGM AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-10-00.,