As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: WHILE TRYING TO CLOSE L1 DOOR FOUND GUST LOCK STUCK. AFTER FURTHER INVESTIGATION FOUND DOOR ATTACH ARM THE GUST LOCK IS ON IS CRACKED. REMOVED AND REPLACED GUIDE ARM ASSEMBLY, PER AMM 52-11-21. NO FURTHER DEFECTS.