As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: L1 DOOR OUT OF SEQUENCE AND WILL NOT CLOSE. MAINTENANCE FOUND LOWER GUIDE ARM SUPPORT BRACKET IN WRONG POSITION. ADJUSTED POSITION OF BRACKET TO DOOR IAW AMM 52-11-04-822-056 AND ACCOMPLISHED A SATISFACTORY OPS CHECK.