As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REPLACEMENT OF R1 DOOR ASSIST CYLINDER DIAPHRAGM, THE ASSOCIATED SHEAR PIN WAS FOUND TO BE LOOSE. SECURED THE SHEAR PIN IAW TIME LIMITED REPAIR IAW EA 272508. REPLACED R1 DOOR DAMPER EMERGENCY OPERATION CYLINDER AND SHEAR PIN IAW AMM 52-11-14 AND AMM 52-11-05. AIRCRAFT WAS GROUNDED.