FAA incident report · Piper PA-31-350 · Great Falls, MT · February 14, 1990
From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Shut left rough running engine down. Landed safely. NR3 cylinder exhaust seat came loose and jammed exhaust valve.
SHUT LEFT ROUGH RUNNING ENGINE DOWN. LANDED SAFELY. NR3 CYLINDER EXHAUST SEAT CAME LOOSE AND JAMMED EXHAUST VALVE.