What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Narrative: on July 19, 1996, at 1420Z, a Piper pa 34-200T, N345AC, operated by bank air returned to Columbia Metropolitan Airport, w. Columbia, SC with a rough running engine. Examination of the engine revealed a minor problem with the fuel flow pressured at t.o. power. Fuel pressure and idle mixture adjusted, no further action required on this incident.
As the FAA filed it
NARRATIVE: ON JULY 19, 1996, AT 1420Z, A PIPER PA 34-200T, N345AC, OPERATED BY BANK AIR RETURNED TO COLUMBIA METROPOLITAN AIRPORT, W. COLUMBIA, SC WITH A ROUGH RUNNING ENGINE. EXAMINATION OF THE ENGINE REVEALED A MINOR PROBLEM WITH THE FUEL FLOW PRESSURED AT T.O. POWER. FUEL PRESSURE AND IDLE MIXTURE ADJUSTED, NO FURTHER ACTION REQUIRED ON THIS INCIDENT.