What was found
LOUD SCREECHING ON GEAR RETRACTION FOLLOWED BY STEERING INOP MSG. COMPLIED WITH QRH. FLT 4920. AFTER INTERROGATING MDC, FOUND B1 - 007466 & 007464, FOUND NSW INOP MSG ACTIVE WHEN ENTERING ACFT. AFTER TALKING WITH CREW, FOUND SCREECHING SOUND TO BE COMING FROM NLG DURING RETRACTION WITH ASSOCIATED STEERING INOP MSG, FOUND NO PREVIOUS HISTORY FOR SCREECHING &/OR STEERING INOP MSG WITHIN MDC OR EAML. PERFORMED FIM 32-51-50. OPS CHK OF NWS IAW AMM 32-51-00, OPS CHKD GOOD, NO DEFECTS NOTED. SCREECHING COMING FROM THE NOSE WHILE RETRACTION MX ELECTED TO PERFORMED A GEAR SWING OF NLG. PERFORMED MULTIPLE NLG SWINGS IAW AMM 32-30-00, OPS CHKD GOOD, NO DEFECTS NOTED AT THIS TIME ACFT OKAY FOR RTS.