As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R-1 DOOR HARD TO CLOSE. GROUNDED-YES. FOUND GUIDE ARM OUT OF ADJUSTMENT, UPPER AFT LATCH ROLLER CONTACTING FITTING BEFORE DOOR IS IN POSITION. ADJUSTED GUIDE ARM, REF B737-800 AMM 52-41-00-820-801 STEP 2I(1). DOOR CLOSES SMOOTHLY, INDICATION OPS NORMAL.