What was found
"GEAR MONITOR" GEAR TILT. SEVERE NOSE GEAR VIBRATION, GEAR WILL NOT RETRACT. INTENSE SMELL OF SMOKE-BURNING. REFERENCE ITEM 1 LOG PAGE 402-3231 GEAR MONITOR TILT: TROUBLESHOOT GEAR TILT. NO GEAR TILT FAULT FOUND. FAULT CODE MESSAGE 32679 FOUND. TROUBLESHOOT NOSE GEAR MESSAGE 32679 IAW BOEING 747-40 FIM 36-61 TASK 869. PERFORMED GROUND TEST OF PSEU IAW BOEING MM 32-09-03/501. GROUND TEST GOOD AT THIS TIME. INPUT MONITOR GOOD PER FIM 36-61 TASK 869. SEVERE NOSE VIBRATIONS. PERFORMED BIRD STRIKE INSPECTION IAW BOEING 747-400 MM 05-51-14. ACCOMPLISHED VISUAL INSPECTION. NO DISCREPANCIES FOUND. GEAR WILL NOT RETRACT. NOSE GEAR MESSAGE 32679 FOUND. TROUBLESHOOT MESSAGE IAW BOEING FIM 32-61 TASK 869. PERFORMED GROUND TEST OF PSEU IAW BOEING MM 32-09-03/501. GROUND TEST PASS AT THIS TIME. INPUT MONITOR CHECK GOOD AT THIS TIME PER BOEING FIM 36-61 TASK 869. INTENSE SMELL OF SMOKE IN COCKPIT. PERFORMED SMOKE AND FUMES INSPECTION IAW BOEING 747-400 MM 05-51-56 AND FIM 21-00 TASK 810. SMOKE AND FUMES FOUND TO BE ATTRIBUTED TO ENGINE 4 FAILURE DUE TO BIRD STRIKE DAMAGE.