As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED TO PLATFORM, DUE TO SLOW ACCELERATION IN THE RIGHT ENGINE. THE WATER SUMP WAS DRAINED AND THE THROTTLE CHAMBER WAS LUBRICATED IAW MM 73-20-03. AT OVERNIGHT SERVICE IN MEX, PERFORMED A TRIM TO BOTH ENGINES AND AN ACCELERTION TEST IAW MM 71-00-00, PARAMETERS WITHIN LIMITS. (M)