What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
During en route: descent phase of flight a flight attendant in the aft galley observed strong odour described as burning rubber. Flight crew was advised and situation was monitored. Out of an abundance of caution, flight crew subsequently elected to declare pan pan which was later escalated to emergency.ARFF conducted external gvi with no faults found.
Maintenance inspected the aircraft but was not able to identify the source of the odour. The aircraft was subsequently deemed to be airworthy and returned to service.
As the FAA filed it
DURING EN ROUTE: DESCENT PHASE OF FLIGHT A FLIGHT ATTENDANT IN THE AFT GALLEY OBSERVED STRONG ODOUR DESCRIBED AS BURNING RUBBER. FLIGHT CREW WAS ADVISED AND SITUATION WAS MONITORED. OUT OF AN ABUNDANCE OF CAUTION, FLIGHT CREW SUBSEQUENTLY ELECTED TO DECLARE PAN PAN WHICH WAS LATER ESCALATED TO EMERGENCY.ARFF CONDUCTED EXTERNAL GVI WITH NO FAULTS FOUND.
MAINTENANCE INSPECTED THE AIRCRAFT BUT WAS NOT ABLE TO IDENTIFY THE SOURCE OF THE ODOUR. THE AIRCRAFT WAS SUBSEQUENTLY DEEMED TO BE AIRWORTHY AND RETURNED TO SERVICE.