What was found
A BUMPING NOISE WAS REPORTED NEAR DOOR 4R AFTER TAKEOFF, AIRCRAFT RETURNED TO SFO. FOUND THE INNER (NOISE) DOOR SEAL OUT OF THE SEAL RETAINER AND PROTRUDING OUTSIDE OF DOOR 4R. REINSTALLED SEAL, NO DAMAGE FOUND.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
A BUMPING NOISE WAS REPORTED NEAR DOOR 4R AFTER TAKEOFF, AIRCRAFT RETURNED TO SFO. FOUND THE INNER (NOISE) DOOR SEAL OUT OF THE SEAL RETAINER AND PROTRUDING OUTSIDE OF DOOR 4R. REINSTALLED SEAL, NO DAMAGE FOUND.