As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O R2 SLIDING WINDOW WOULD NOT SHUT. FOUND NUT AND WASHER IN WINDOW TRACK. ACFT GROUNDED. FOUND SCREW LOOSE UNDER HANDLE, R2 WINDOW. REINSTALLED HARDWARE- NO ADJUSTMENTS MADE, WINDOW OPENS AND CLOSES NORMAL. PERFORMED TASK 56-12-11-715-018. OK FOR SERVICE.