As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED THAT DURING CLIMB OUT EICAS CAUTION RIGHT CENTER FUEL PUMP OCCURRED. AT 045 DEGREES WITH RT ENGINE N3 BEGAN TO FLUCTUATE ERRATICALLY BETWEEN 73-81%. NO VIBRATION OR SURGE NOTED. AIRCRAFT GROUNDED. MAINTENANCE REPLACED THE RT ENGINE SPEED CARD IAW AMM 77-12-03-0401. ACCOMPLISHED SATISFACTORY SPEED CARD TEST. VERIFIED STABILITY OF RT ENGINE N3 IAW AMM 77-12-00. SATISFACTORY OPS CHECKED THE AIR SUPPLY DISTRUBUTUION SYSTEM IAW AMM 36-11-00-710-801, AND THE RT CENTER FUEL PUMP IAW AMM 28-22-00-101 ACCOMPLISHED.