are you sure it is not this one :
http://www.ntsb.gov/ntsb/brief.asp?ev_id=85599&key=0
NTSB Identification: OAK74FXQ07
14 CFR Part 91 General Aviation
Event occurred Thursday, July 12, 1973 in EUREKA, NV
Aircraft: BOEING B-17G, registration: N620L
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE----------------------------------------------------------------------------------------------------------------------------3-2405 73/7/12 EUREKA,NEV BOEING B-17G CR- 2 0 0 COMMERCIAL AIRLINE TRANSPORT, AGE TIME - 1915 N620L PX- 0 0 0 FIRE CONTROL 55, 11300 TOTAL HOURS, 59 DAMAGE-DESTROYED OT- 0 0 0 IN TYPE, INSTRUMENT RATED. DEPARTURE POINT INTENDED DESTINATION ELKO,NEV LOCAL TYPE OF ACCIDENT PHASE OF OPERATION STALL IN FLIGHT: LOW PASS PROBABLE CAUSE(S) PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED FACTOR(S) WEATHER - DOWNDRAFT,UPDRAFTS WEATHER - UNFAVORABLE WIND CONDITIONS MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED WEATHER FORECAST - UNKNOWN/NOT REPORTED SKY CONDITION CEILING AT ACCIDENT SITE UNKNOWN/NOT REPORTED UNKNOWN/NOT REPORTED VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE UNKNOWN/NOT REPORTED UNKNOWN/NOT REPORTED OBSTRUCTIONS TO VISION AT ACCIDENT SITE WIND DIRECTION-DEGREES SMOKE 90 WIND VELOCITY-KNOTS TYPE OF WEATHER CONDITIONS 40 UNKNOWN/NOT REPORTED TYPE OF FLIGHT PLAN NONE REMARKS- LOW ALT STEEP TURN DOWNWIND OVR DOWNSLOPE SIDE OF MTN.DRY RUN OVR FIRE LINE,FULL LOAD.WIND GUSTY.