What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) On 11/17/2006, the pilot privacy data omitted was flying his Glastar N46776 s/n 7025 with a test pilot to evaluate problems with the aircraft's horizontal situation indicator (h.s.I.). The two noted the engine was running rough; this prompted a magneto check that indicated that the right magnetos were not functioning. An emergency was declared and the aircraft returned to Falcon field with no additional problems. Upon returning to Falcon field, the aircraft was landed & taxied under its own power to phoenix composites (part 145 repair station) for repair. There was no damage to the aircraft and no injuries occurred.
As the FAA filed it
(-23) ON 11/17/2006, THE PILOT ^PRIVACY DATA OMI^ WAS FLYING HIS GLASTAR N46776 S/N 7025 WITH A TEST PILOT TO EVALUATE PROBLEMS WITH THE AIRCRAFT'S HORIZONTAL SITUATION INDICATOR (H.S.I.). THE TWO NOTED THE ENGINE WAS RUNNING ROUGH; THIS PROMPTED A MAGNETO CHECK THAT INDICATED THAT THE RIGHT MAGNETOS WERE NOT FUNCTIONING. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO FALCON FIELD WITH NO ADDITIONAL PROBLEMS. UPON RETURNING TO FALCON FIELD, THE AIRCRAFT WAS LANDED & TAXIED UNDER ITS OWN POWER TO PHOENIX COMPOSITES (PART 145 REPAIR STATION) FOR REPAIR. THERE WAS NO DAMAGE TO THE AIRCRAFT AND NO INJURIES OCCURRED.