As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE AND FLAME COMING FROM NR 2 ENGINE WHILE IN REVERSE. THIS ENGINE HAS ACCUMULATED 20236 TSLSV(SINCE THE NUMBER 5 BEARING COMPARTMENT WAS ACCESSED). THE NUMBER (5) BEARING WAS NOT DPI'D AT THE PRIOR SHOP VISIT SO THERE IS A GOOD CHANCE THE BEARING/CARBON SEAL AREA HAS NEVER BEEN REMOVED(33303 HOURS). WITH THIS AMOUNT OF TIME, EXCESSIVE COKING WAS PRESENT IN THE COMPARTMENT AND WORKED ITS WAY PAST THE NUMBER 5 CARBON SEAL AND INTO THE GASPATH.