What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) After take-off on runway 30, while climbing thru 300-500 feet, the engine developed a miss and became rough. A return to the field was requested and an uneventful landing was made on runway 08. Maintenance personnel at cxy found excessive moisture and corrosion inside both magnetos. New magnetos were installed and the aircraft was test flown and approved for return to service.
As the FAA filed it
(-23) AFTER TAKE-OFF ON RUNWAY 30, WHILE CLIMBING THRU 300-500 FEET, THE ENGINE DEVELOPED A MISS AND BECAME ROUGH. A RETURN TO THE FIELD WAS REQUESTED AND AN UNEVENTFUL LANDING WAS MADE ON RUNWAY 08. MAINTENANCE PERSONNEL AT CXY FOUND EXCESSIVE MOISTURE AND CORROSION INSIDE BOTH MAGNETOS. NEW MAGNETOS WERE INSTALLED AND THE AIRCRAFT WAS TEST FLOWN AND APPROVED FOR RETURN TO SERVICE.