What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
The pilot stated that he recently had an overhauled Lycoming engine, O-360-A4A (s/n L-11701-36A) installed onto the airframe. The engine records indicated that it was overhauled on 09/01/2023 (total time not listed). At 0.66 operating hours after this overhaul, the pilot stated that just as he entered cruise flight, with all the engine parameters within normal limits, they suddienly heard a loud pop and noticed a hole on the topside of the cowling, and oils sprayed onto the windscreen. The propeller imediately stopped its rotation. The pilot selected a suitable open emergency landing field and made a succefull landing. When he exited the aircraft, he discovered that the engine surfered internal structural failure resulting in a 9" x 9" hole in the engine top casing, partial separation of the #2 (left front) cylinder, damage to the engine cowlings and the propeller. SDR 2024FA0000065 was filed by privacy data omitted piston.
As the FAA filed it
THE PILOT STATED THAT HE RECENTLY HAD AN OVERHAULED LYCOMING ENGINE, O-360-A4A (S/N L-11701-36A) INSTALLED ONTO THE AIRFRAME. THE ENGINE RECORDS INDICATED THAT IT WAS OVERHAULED ON 09/01/2023 (TOTAL TIME NOT LISTED). AT 0.66 OPERATING HOURS AFTER THIS OVERHAUL, THE PILOT STATED THAT JUST AS HE ENTERED CRUISE FLIGHT, WITH ALL THE ENGINE PARAMETERS WITHIN NORMAL LIMITS, THEY SUDDIENLY HEARD A LOUD POP AND NOTICED A HOLE ON THE TOPSIDE OF THE COWLING, AND OILS SPRAYED ONTO THE WINDSCREEN.THE PROPELLER IMEDIATELY STOPPED ITS ROTATION. THE PILOT SELECTED A SUITABLE OPEN EMERGENCY LANDING FIELD AND MADE A SUCCEFULL LANDING. WHEN HE EXITED THE AIRCRAFT, HE DISCOVERED THAT THE ENGINE SURFERED INTERNAL STRUCTURAL FAILURE RESULTING IN A 9" X 9" HOLE IN THE ENGINE TOP CASING, PARTIAL SEPARATION OF THE #2 (LEFT FRONT) CYLINDER, DAMAGE TO THE ENGINE COWLINGS AND THE PROPELLER. SDR 2024FA0000065 WAS FILED BY ^PRIVACY DATA OMITTED^ PISTON.
Other reports on N5120S · 1
Matched to the same aircraft by N-number and date.