What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
While inbound to Long Beach Airport (lgb), the pilot/instructor noticed a spike in the manifold pressure accompanied by a shudder and partial loss of power. While attempting to manuever to the company helicopter parking which is located on the airport the pilot observed a continuing degradation of power and rpm's resulting in an off airport landing. There was no damage to the aircraft other than the internal engine damage suffered as a result of the #4 intake valve failure. SDR report filed by tim's aircraft #2009FA0001069
As the FAA filed it
WHILE INBOUND TO LONG BEACH AIRPORT (LGB), THE PILOT/INSTRUCTOR NOTICED A SPIKE IN THE MANIFOLD PRESSURE ACCOMPANIED BY A SHUDDER AND PARTIAL LOSS OF POWER. WHILE ATTEMPTING TO MANUEVER TO THE COMPANY HELICOPTER PARKING WHICH IS LOCATED ON THE AIRPORT THE PILOT OBSERVED A CONTINUING DEGRADATION OF POWER AND RPM'S RESULTING IN AN OFF AIRPORT LANDING. THERE WAS NO DAMAGE TO THE AIRCRAFT OTHER THAN THE INTERNAL ENGINE DAMAGE SUFFERED AS A RESULT OF THE #4 INTAKE VALVE FAILURE. SDR REPORT FILED BY TIM'S AIRCRAFT #2009FA0001069