As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJU INFLIGHT MIA-REC FLUCTUATING N3 ON THE RT HAND ENG ALONG WITH FLUCTUATING RT HAND BLEED PRESSURE. FLIGHT DIVERTED SJU LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RT HAND EN N3 TACH TRANSMITTER. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.