As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT COCKPIT ENTRY DOOR BECOMES DIFFICULT TO OPEN. DOOR RUBS AGAINST DOOR JAMB. PROBLEM SEEMS TO IMPROVE AFTER AIRCRAFT IS ON THE GROUND, BUT STILL RUBS THE DOOR JAMB A LITTLE. CLEANED EXCESS PAINT FROM DOOR JAMB. LUBED DOOR AND LATCH ASSEMBLY PER DHL B-727 M/M 52-50-1. OPS CHECKED GOOD.