As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LG WOW SYS FAIL. AFTER LIFTOFF. (FLIGHT 3680 - FILED CLOSED)ACTIVATED NLG SPARE SEAL ACTIVATING VALVE IN REF ERJ175 32-21-02. NO FURTHER LEAK. PLEASE REFERENCE AML 1563069 NLG DIMENSION H MUST BE CHECKED DAILY. CREATED MCO TO HAVE SEALS REPLACED WITH IN 50 FLIGHT CYCLES.