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.