What was found
ATB, AFTER RAISING GEAR HANDLE GEAR DISAGREE AND GEAR DOORS EICAS MESSAGE. NOSE GEAR LIGHT REMAINED GREEN MAIN GEAR INDICATORS BLANK. OBVIOUS VIBRATION WHILE AIRBORNE. AFTER CHECKLIST AND LANDING GEAR HANDLE ALL INDICATIONS NORMAL.T/S PER FIM 32-30-00-815-816 BLOCK 26. MP 0558149 4-21-23 REMOVED NOSE LANDING GEAR RETRACT ACTUATOR REF 757 MM 32-34-01-004-025 R. GULLA 0557716 04/21/23 OK TO INSTALL A. BEROLD 0557771 QC 4/21/23 INSTALLED NOSE GEAR RETRACT ACT. REF AMM 32-34-01-404-008 OPS CKS GOOD AMM 32-34-00-501 EFF SOURCE REF: 32-31-00-01B