As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OIL TEMP ON NR 1 ENG AS HIGH AS 112 DEG ALL OTHER INDICATIONS NORMAL. RETURNED TO THE FIELD. LANDING UNEVENTFUL. DURING T/S FOUND OIL COOLER FLAP DOOR ACTUATOR FAILED, DOOR WOULD NOT OPEN. R & R OIL COOLER FLAP DOOR ACTUATOR IAW AMM TASK 79-21-31-000/400-801. OPS CKS GOOD. RETURNED TO SERVICE.