As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 DOOR CYLINDER PRESSURE BELOW LIMITS. PERFORMED TROUBLSHOOTING IAW TSM 52-11-00-810-827A. FOUND A LEAK AT FILLING VALVE. REPLACED FILLING VALVE IAW AMM 52-10-00-610-003A, AND CHARGED DAMPER TO PROPER LIMITS. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.