What was found
DURING FLIGHT NR 3116, LOUD THUMPING NOISE HEARD INFLIGHT SHORTLY AFTER TAKEOFF. AIR RETURN TO DTW. FOUND LAV SERVICE DOOR OPEN, INSPECTED AREA AND NO DAMAGE NOTED. RESECURED DOOR, AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING FLIGHT NR 3116, LOUD THUMPING NOISE HEARD INFLIGHT SHORTLY AFTER TAKEOFF. AIR RETURN TO DTW. FOUND LAV SERVICE DOOR OPEN, INSPECTED AREA AND NO DAMAGE NOTED. RESECURED DOOR, AIRCRAFT RETURNED TO SERVICE.