As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SFO - FL 74 - ON CLIMB FROM SFO, LEFT ENGINE WOULD NOT DEVELOP CLIMB POWER WITHOUT EXCEEDING EGT LIMITS. FUEL FLOW WAS MUCH HIGHER ON THE LEFT ENGINE. FLIGHT RETURNED TO SFO AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT ENGINE EEC LIMITER. (M)