What was found
WHEN ACFT BLOCKED IN THE CREW PARTIALLY OPEN LT PASSENGER DOOR. AFTER CREW STAIRS WERE PLACED IN POSITION THE HUB FINISHED OPENING THE DOOR. WHILE THE DOOR WAS BEING OPEN THE DOOR ASSIST BOTTLE BLEW. REMOVED AND REPLACED L1 DOOR EMERGENCY POWER RESERVOIR UP TO STEP 3. D. 10. OF MM 52-11-30-4. FOUND TRIGGER FORK ON L1 DOOR SHEARED. INSTALLED TRIGGER FORK AND ROLL PIN PER MM 52-11-32-4 PG 7 ITEMS 1&2. COMPLETED INSTALLATION OF L1 EMERGENCY POWER RESERVOIR IAW MM 52-11-30-4 STEP 3,D 11 AND BEYOND. COMPLETED L1 DOOR EMERGENCY POWER TRIGGER MECHANISM INSTALLATION STEPS E,17 I AND BEYOND. ALL ADJUSTMENTS AND TESTS CHECKED GOOD.