As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6446 - DURING TAKEOFF, RETURNED TO IAD DUE TO LEFT ENGINE DID NOT MAKE POWER. AIRCRAFT RETURNED TO GATE AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE OPENED DMI 09096 ON SRL COMPUTER. MAINTENANCE CLEARED DMI 09096, BY REPLACING LEFT DELTA P/P TRANSDUCER. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)