What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Acft took off for local pattern work, lost power, and made an emergency landing off the approach end of rwy 25L. (-23)pilot reported normal takeoff and began a climb at 75 mph. At an estimated 400 to 500 feet AGL, the engine RPM dropped from 2600 to 1500 and experienced severe roughness ans vibration. Pilot pitched aircraft nose down ro achieve best glide speed at 65 mph. Since a straight landing was impractical due to obstacles pilot elected to turn 180 degrees to return to runway. At about half way through the turn, the pilots stated that the engine quit. Pilot stated that he landed hard in a nose down attitdue. During the course of the investigation (engine tear down) it was discovered that number 3 exhaust valve had failed. During aircraft records review, it was discovered that the engine had accumulated 3711.0 hours since last overhaul.
As the FAA filed it
ACFT TOOK OFF FOR LOCAL PATTERN WORK, LOST POWER, AND MADE AN EMERGENCY LANDING OFF THE APPROACH END OF RWY 25L. (-23)PILOT REPORTED NORMAL TAKEOFF AND BEGAN A CLIMB AT 75 MPH. AT AN ESTIMATED 400 TO 500 FEET AGL, THE ENGINE RPM DROPPED FROM 2600 TO 1500 AND EXPERIENCED SEVERE ROUGHNESS ANS VIBRATION. PILOT PITCHED AIRCRAFT NOSE DOWN RO ACHIEVE BEST GLIDE SPEED AT 65 MPH. SINCE A STRAIGHT LANDING WAS IMPRACTICAL DUE TO OBSTACLES PILOT ELECTED TO TURN 180 DEGREES TO RETURN TO RUNWAY. AT ABOUT HALF WAY THROUGH THE TURN, THE PILOTS STATED THAT THE ENGINE QUIT. PILOT STATED THAT HE LANDED HARD IN A NOSE DOWN ATTITDUE. DURING THE COURSE OF THE INVESTIGATION (ENGINE TEAR DOWN) IT WAS DISCOVERED THAT NUMBER 3 EXHAUST VALVE HAD FAILED. DURING AIRCRAFT RECORDS REVIEW, IT WAS DISCOVERED THAT THE ENGINE HAD ACCUMULATED 3711.0 HOURS SINCE LAST OVERHAUL.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.
Other reports on N88408 · 3
Matched to the same aircraft by N-number and date.