As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DOOR 4R IS DIFFICULT TO DISARM. MAINTENANCE FOUND STRAPS FOR SECURING SLIDE BUSTLE INTERMITTENTLY GETTING STUCK BETWEEN GIRT BAR AND CABIN FLOOR WHICH CAUSED THE GIRT BAR TO BIND WHILE ARMING - MAINTENANCE RESECURED STRAPS PER AMM 25-62-00. MAINTENANCE ALSO LUBRICATED GIRT BAR STOP FITTINGS PER AMM 53-11-00.