As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COCKPIT DOOR STICKY + HARD TO OPEN. REMOVED FROM SERVICE. C/W VISUAL INSP OF COCKPIT DOOR FRAME & DOOR LATCH/LOCK SYS. CLEANED DOOR LATCH/LOCK ASSY. PERFORMED COCKPIT DOOR FUNCTIONAL TEST IN REF: E175 AMM TASK 52-51-01-720-801-A. FUNCTIONAL TEST GOOD. NO PARTS REPLACED. RETURNED TO SERVICE.