As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: R1 SLIDE FLICKERING BETWEEN ARMED AND DISARMED ON DOOR/OXY PAGE. FLIGHT ATTENDANTS CONFIRM DOOR SLIDE IS IN ARMED POSITION. MAINTENANCE FOUND PROX SENSOR 4WN2 OUT OF ADJUSTMENT. ADJUSTED PROX SENSOR IAW AMM 52-71-00.