What was found
AIRCRAFT WAS GROUNDED: L4 DOOR DAMPER PRESSURE AT 0 PSI AND LEAKING AT DIAPHRAGM. MAINTENANCE REPLACED DIAPHRAGM ON DOOR DAMPER L4 DOOR PER AMM 52-10-00-610-001-A AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: L4 DOOR DAMPER PRESSURE AT 0 PSI AND LEAKING AT DIAPHRAGM. MAINTENANCE REPLACED DIAPHRAGM ON DOOR DAMPER L4 DOOR PER AMM 52-10-00-610-001-A AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK.