What was found
ON TAKEOFF TRIED TO RAISE GEAR WITH NR 1 SYS WOULD NOT COME UP SWITCHED TO SYS 2 GEAR CAME UP. WHILE GEAR WAS RETRACTING NR 1 PITCH TRIM BOTH ATS LEVERS NR 1 CABIN PRESS REGULATOR KICKED OFF OVERWEIGHT LANDING AT 312K AND DECLARED EMERGENCY. FOUND LT UPPER NOSE GEAR HARNESS DAMAGED. REPLACED THE HARNESS P/N D22296010 AS A PRECAUTION REF A300 SUPP M/M 32-21-43-4. COMPLIED WITH PHASE 1 INSPECTION OF THE OVERWEIGHT INSPECTION NO DEFECTS NOTED AT THIS TIME A-300-600 MM 05-51-11-0. REMOVED AND REPLACED SENSORS 80 AND 81GB. REMOVED AND REPLACED 65GB, NO HELP REFA300-600ASM 32-31-00. REMOVED AND REPLACED 9GA, 8GA AND 64 GB SYSTEM 1 PROX DETECTORS REFA300-600 MM 32-00-00-4. SWUNG GEAR, CKD OK.