As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOUD SQUEAL DOOR 4L TOP UNABLE TO COMMUNICATE WITH CREW IN AFT LOCKING LOG PAGE REQUIRES POSITIVE FIND AND FIX. FOUND A DESSERT COVER WEDGE. OK TO CLEAR ITEM TOMC UNLOCK LOG TO ATTACH PHOTS AND UPDATE LOG WITH DETAILS AND CORRECTIVE ACTION FOUND A DESSERT COVER WEDGE. OK TO CLEAR ITEM UPDATE FOR TOMC FOUND DEBRIS IN BOTTOM AFT SIDE OF DOOR