As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A STRONG ELECTRICAL ODOR ON CLIMBOUT. FLIGHT CONTINUED. MX RAN ENGINES IAW AMM 71-00-01 AND PERFORMED OPS CHECKS OF THE APU, PACK SYS, AND PNEUMATIC SYS SUCCESSFULLY. COULD NOT DUPLICATE ANY ELECTRICAL BURNING ODOR OR DEFECTS AT THIS TIME. ACFT RETURNED TO SERVICE.