What was found
DURING TAKEOFF, RECEIVED MASTER CAUTION, VENT SKIN VLV FAULT, VENT BLOWER FAULT & VENT EXTRACT FAULT. ALSO AFTER SELECTING FLX TAKEOFF SETTING, RT ENG SPOOL UP LAGGED, COMPARED TO LT ENG CAUSING ACFT TO YAW FEET TO THE RT. TAKE OFF ABORTED AT APPROX 70 KNOTS. TROUBLE SHOT VENT SKIN, BLOWER VLV & VENT EXHAUST FAULTS IAW TSM 21-26-00-810-803-A WITH NO FAULTS FOUND. ACCOMPLISHED STEERING DEVIATION TEST IAW TSM 32-51-00-810-823-A WITH ALL INDICATIONS NORMAL.