As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 DOOR EMERGENCY OPERATION INOP. L1 EMER DOOR CHAIN BROKEN. R & R THE SPROCKET FOR THE FWD L1 DOOR POWER DRIVE SUPPORT ASSY IAW CMM 52-11-09, REPLACED ROLLER CHAIN IAW CMM 52-11-09 7793949. PERFORMED PNEUMATIC OPS CHECK IAW AMM 52-11-04. SERVICED RESEVOIR IAW AMM 12-25-04.