As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A'S REPORTED A SINGULAR POP SOUND FOLLOWED BY A SLIGHT MOVEMENT OF THE HANDLE OF THE L1 DOOR. IT WAS ALSO MAKING A WHISTLING NOISE. PERFORMED FWD DOOR SOFT UNLATCH AMM 52-11. ADJUSTED BOTH UPPER AND LOWER CONTROL ARMS IAW AMM 52- 11. DOOR NOW LATCHES OK. INSTALLED DOOR LINING AND REINSTALLED L1 DOOR SLIDE. REF AMDS WORK CARD 2560-4425. (8722044) AIRCRAFT WAS GROUNDED