What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Pilot aledged that while taxiing to the ramp at Ponce, p.r. he experienced brake failure. He increased power on left engine to make a turn and as the airplane began to turn, brake operation resumed. Configuration caused the airplane's tail to rise before he had time to respond. As a result aircraft nose over slowly with engine at idle power on impact. Several witnesses reported aircraft taxiing in with tail up.
As the FAA filed it
(-23) PILOT ALEDGED THAT WHILE TAXIING TO THE RAMP AT PONCE, P.R. HE EXPERIENCED BRAKE FAILURE. HE INCREASED POWER ON LEFT ENGINE TO MAKE A TURN AND AS THE AIRPLANE BEGAN TO TURN, BRAKE OPERATION RESUMED. CONFIGURATION CAUSED THE AIRPLANE'S TAIL TO RISE BEFORE HE HAD TIME TO RESPOND. AS A RESULT AIRCRAFT NOSE OVER SLOWLY WITH ENGINE AT IDLE POWER ON IMPACT. SEVERAL WITNESSES REPORTED AIRCRAFT TAXIING IN WITH TAIL UP.