As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS ON TAKE OFF TOGA POWER SMELLED FOR 1-2 MIN DISPATCHED FOR 5 HR FLT. SMELLED AGAIN ON DECENT, 1500 FEET= COULD SMELL COCKPIT AND CABIN AGAIN, DISPATCHED AGAIN. MAINTENANCE FOUND OIL COOLER FAN LEAKING. REMOVED & REPLACED APU COOLING FAN. OPS CHECK GOOD IAW AMM 49-52-51-400.