As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: CABIN DOOR SLIDE PRESSURE INTERMITTENTLY SHOWING LOW PRESSURE ON ENTRY DOOR 1L. MAINTENANCE REPLACED DECODER ENCODER UNIT - B 300 RIGHT (DEU) PER AMM 23-73-47 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.