What was found
INSPECTION TYPE: N/A CAPT OPENED MAIN ENTRY DOOR WITH SLIDE LEVER ARMED. THE SLIDE WAS IMMEDIATELY DISARMED AND DID NOT INFLATE BUT THE DOOR WAS STUCK AND WOULD NOT OPEN OR CLOSE. DEPRESSURIZED FWD DOOR DAMPER & EMERGENCY OPERATIONS CYL DEF MAIN CABIN DOOR, PER MEL 52-11-01-5 & C/W DMP. REMOVED AND REPLACED L1 DOOR EMERGENCY OPEN CYLINDER ASSEMBLY, IAW AMM 52-10-14. THIS CLEARS DEFERRAL M729318. EFF SOURCE REF: IPC 52-11-02-01B.