As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB JAX-MEM THE FLIGHT CREW HEARD A LOUD FLAPPING NOISE NEAR THE CAPTAIN'S EYEBROW WINDOW. MAINTENANCE CONTROL WAS NOTIFIED AND THE AIRCRAFT RETURNED TO JAX WITHOUT FURTHER INCIDENT. FOUND LOOSE SEALANT AT THE AFT SIDE OF THE CAPTAIN'S EYEBROW WINDOW. TRIMMED SEALANT AND DEFERRED REPAIR. INSPECTED THE NR 1 ENGINE INLET. CHECKED OK.