As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 75 SYR-JFK - F1 NOTED A STRONG BURNING BATTERY ODOR SOON AFTER T/O. TURNED OFF THE (PRA) ODOR WENT AWAY. OPERATED (PRA) SYSTEM FOR 1 HOUR COULD NOT DUPLICATE ANY BURNING BATTERY ODOR. REMOVED AND REPLACED UNIT DATA PROCESSING BOX AS A PRECAUTIONARY TROUBLESHOOTING MEASURE IAW AMM 46-41-01. OPS CHECK SYSTEM, SYSTEM CHECK NORMAL VOLUME OK.