As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GNDED. ENG NR 1 DID NOT DEVELOP TAKEOFF POWER MAS EPR 1.4, RESULTING IN THE CREW ABORTING THE TAKEOFF & RETURNED TO THE GATE WITH NO FURTHER INCIDENTS. REPLACED THE P4.95 SENSE LINE IAW MM 77-10-00. SATISFACTORY OPERATIONAL & POWER ASSURANCE CHECKS WERE ACCOMPLISHED.