What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Pilot stated late switching from from auxiliary to left main. Engine started to run roughly, switched back. Engine slowed markedly, yet was smooth in operation. Proceeded in for landing. Shortly while on final, engine started to develop normal power. Pilot proceeded to land without further incident. After landing check/runup could not duplicate problem.
As the FAA filed it
(-23) PILOT STATED LATE SWITCHING FROM FROM AUXILIARY TO LEFT MAIN. ENGINE STARTED TO RUN ROUGHLY, SWITCHED BACK. ENGINE SLOWED MARKEDLY, YET WAS SMOOTH IN OPERATION. PROCEEDED IN FOR LANDING. SHORTLY WHILE ON FINAL, ENGINE STARTED TO DEVELOP NORMAL POWER. PILOT PROCEEDED TO LAND WITHOUT FURTHER INCIDENT. AFTER LANDING CHECK/RUNUP COULD NOT DUPLICATE PROBLEM.
Other reports on N531U · 1
Matched to the same aircraft by N-number and date.