What was found
UNABLE TO OPEN DOOR L1 MAIN CABIN DOOR. SPLIT RED HANDLES WILL NOT DISARM. FOUND L1 DOOR ARMING HANDLE WOULD STOP 1 INCH SHORT OF UNAMRMED POSITION. UPON REMOVAL OF L1 UPPER DOOR LINING DOOR ARMING HANDLE WORKED PROPERLY. SUSPECT PART OF L1 DOOR UPPER LINING TO BE IMPEDING PROPER OPERATION OF ARMING HANDLE. INSPECTED L1 DOOR ARMING HANDLE MECHANISM AND L1 DOOR EMERGENCY-EVACUATION-SLIDE MECHANISM IAW E170 AMM 52-11-00 AND E170 AMM 52-11-40 RESPECTIVELY. NO DEFECTS NOTED. AFTER REINSTALL OF L1 DOOR UPPER LING PERFORMED OPS CHECK OF L1 DOOR ARMING HANDLE IAW E170 AMM 52-11-00. OPERATIONAL CHECKS GOOD.