As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 5142. STRONG ODOR REPORTED BY F/O WHILE HOLDING IN ATL AIRSPACE, STRONG ENOUGH TO MAKE CREW FEEL UNCOMFORTABLE. INSPECTED CARGO COMPARTMENT AND CABIN FOUND ODOR RESEMBLING FINGERNAIL POLISH AROUND ROW 1 C/D IN CABIN, ODOR DISAPEARED SHORTLY AFTER GROUND AIR WAS CONNECTED TO ACFT, REMOVED CABIN EMERGENCY EXITS, VENTALATED ACFT FOR 30 MIN. REPLACED EMERGENCY EXITS.