What was found
CORROSION FOUND BETWEEN STATION 999 & STATION 1021 IN LT WW BEHIND MAIN GEAR DOOR ACTUATOR ON CTR BEAM. CLEANED LT WW BEHIND MLG DOOR ACTUATOR FS 999 - 1021, FOUND ANGLE PN 145T8601Y37 CORRODED. REPLACED IT WITH A NEW PART IAW SRM 51-40-02 PARA 7. SDR INFO PN 145T8601Y37, SN N/A, PART NAME ANGLE, LOCATION FS 1021, LBL 0-8, CORROSION. ACFT WAS GROUNDED.