What was found
DURING M-CHECK, R3 DOOR SLIDE EPSU FAILED SYSTEM TEST 14WL AND 18WL. SECURED LOOSE PIN AT SLIDE LIGHT SWITCH AND REPLACED BATTERIES FOR 11 WL, AND 18 WL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING M-CHECK, R3 DOOR SLIDE EPSU FAILED SYSTEM TEST 14WL AND 18WL. SECURED LOOSE PIN AT SLIDE LIGHT SWITCH AND REPLACED BATTERIES FOR 11 WL, AND 18 WL.