What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) While in flight, pilots reported a change in engine noise and a subsequent descent. Full application of throttle did not arrest descent and full application of carb. Heat did not help engine roughness. Engine continued to run.
As the FAA filed it
(-23) WHILE IN FLIGHT, PILOTS REPORTED A CHANGE IN ENGINE NOISE AND A SUBSEQUENT DESCENT. FULL APPLICATION OF THROTTLE DID NOT ARREST DESCENT AND FULL APPLICATION OF CARB. HEAT DID NOT HELP ENGINE ROUGHNESS. ENGINE CONTINUED TO RUN.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.