As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN CREW REPORTED L1 DOOR EMERGENCY ESCAPE SLIDE PRESSURE GAUGE WAS READING ZERO PRESSURE. ESCAPE SLIDE DID NOT APPEAR TO BE PARTIALLY DEPLOYED AND THE DOOR ASSIST BOTTLE PRESSURE WAS IN THE NORMAL RANGE. SLIDE REPLACED, NO FURTHER DISCREPANCIES NOTED.