What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) On March 17, 2001, at 2134 hours pacific standard time, a Eurocopter AS-350-B2, N996PD, was substantially damaged during an emergency autorotation descent and impact with electrical power transmission lines following loss of engine power in san leandro, CA. During engine tear down at turbomeca factory it was discovered that part number 0292107950, matched gear assy, had failed in the accessory box gear train. Talked to eric west, office of aircraft accident investigation, 202-493-4016, about the failure of the gear.
As the FAA filed it
(-23) ON MARCH 17, 2001, AT 2134 HOURS PACIFIC STANDARD TIME, A EUROCOPTER AS-350-B2, N996PD, WAS SUBSTANTIALLY DAMAGED DURING AN EMERGENCY AUTOROTATION DESCENT AND IMPACT WITH ELECTRICAL POWER TRANSMISSION LINES FOLLOWING LOSS OF ENGINE POWER IN SAN LEANDRO, CA. DURING ENGINE TEAR DOWN AT TURBOMECA FACTORY IT WAS DISCOVERED THAT PART NUMBER 0292107950, MATCHED GEAR ASSY, HAD FAILED IN THE ACCESSORY BOX GEAR TRAIN. TALKED TO ERIC WEST, OFFICE OF AIRCRAFT ACCIDENT INVESTIGATION, 202-493-4016, ABOUT THE FAILURE OF THE GEAR.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.