What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
On July 17, 1999, at 1218 EDT, the DHC-8-102, N960HA, operating as allegheny flight 3910. The aircraft returned to "pit" after the pilots ADI failed during climb-out. The aircraft landed without incident and returned to the gate. At the gate, the pilots ADI was changed and checked. The aircraft was released by maintenance. At 1700EDT, the aircraft again returned to "pit" with an instrument problem. The pilots ahrs computer failed after takeoff on climb. The aircraft taxied to the gate without incident. The ahrs computer was replaced and checked and the aircraft was released. Investigation was conducted by dest audit and is closed.
As the FAA filed it
ON JULY 17, 1999, AT 1218 EDT, THE DHC-8-102, N960HA, OPERATING AS ALLEGHENY FLIGHT 3910. THE AIRCRAFT RETURNED TO "PIT" AFTER THE PILOTS ADI FAILED DURING CLIMB-OUT. THE AIRCRAFT LANDED WITHOUT INCIDENT AND RETURNED TO THE GATE. AT THE GATE, THE PILOTS ADI WAS CHANGED AND CHECKED. THE AIRCRAFT WAS RELEASED BY MAINTENANCE. AT 1700EDT, THE AIRCRAFT AGAIN RETURNED TO "PIT" WITH AN INSTRUMENT PROBLEM. THE PILOTS AHRS COMPUTER FAILED AFTER TAKEOFF ON CLIMB. THE AIRCRAFT TAXIED TO THE GATE WITHOUT INCIDENT. THE AHRS COMPUTER WAS REPLACED AND CHECKED AND THE AIRCRAFT WAS RELEASED. INVESTIGATION WAS CONDUCTED BY DEST AUDIT AND IS CLOSED.