ARTICLE 342 ACCIDENT INVESTIGATION

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP74B00447R000100010042-5
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 2
• Document Creation Date: December 12, 2016
• Document Release Date: February 5, 2002
• Sequence Number: 42
• Publication Date: March 8, 1966
• Content Type: CABLE

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OM PRIORITY
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TO: GEN. LEDFORD FROM: KELLY Ji)HNSO +i
SUBJ: ARTICLE 342 ACCIDENT INVESTIGATION
FURTHER INVESTIGATION OF PASTS RECOVERED, INDICATE ARTICLE
342 STRUCTURALLY FAILED DUE TO EXCEEDING THE ENVELOPE STRENGTH.
ANALYSIS OF THE VARIOUS BREAK ?OINTS REVEALS THAT THERE WAS NO
PRIOR DAMAGE, NO SIGNS OF FATI3UE AND THE CONDITION OF THE METAL
IS WITHIN SPECIFICATIONS.
THEREFORE, I FEEL THE EXTENSIVE INSPECTION WE OUTLINED IN REF
MSG WILL NOT BE REAlt"En HOWEVER, AS A CONFIDENCE CHECK FOR
YOUR CUSTOMERS AT WE SUGGEST THE FOLLOWING BE PERFORMED:
I. VISUAL (T CHECK
A. MLG SUPPORT STRUCT.
1. FULCRUM FITTINGS
2. DRAG LINK STRUCT. (FUSELAGE)
3. BULKHEADS
A. F.S. 365
B. F.S. 342 (BETWEEN DUCTS)
Be SUMP TANK SUPPORT STRUCT.
C. WING FUSELAGE MAIN FRAMES
1. CONNECT TO UPPER LONGERONS
A. BOLTS
B. CLIPS
2. CONNECT TO LOWER LONGERONS
A. BOLTS
B. CLIPS
3. COMPLETE FRAME (WEB, PLATE 4 FITTINGS)
S E C R E T
Approved For Re ease 2002/06118: CIA-RDP74 0447ROaff%8F4942-5
REMOUMON BY OTHER TAN THE ISSUING OFFICE IS PROHIBITED. COPY t0.
2,
 Approved F4QC,.Release 2002/06/18: CIA-RDP74B004A7R000100010042-5
IN 92340) S E C R E T
A. F.S. 389
B. F.S. 401
C. F.S. 413
D. F.S. 425
E. F.S. 437
F. F.S. 449
G. F.S. 465
D. ENGINE SUPPORT STRUCT. & ATTACHMENTS
1. MAIN SUPPORT (F.S. 425)
A. BALL PATS
Be BALL BAT SUPPORT FITTINGS
C. BALL PAT BRACE
D. FORE & AFT SHEAR WEB
2. AFT ENGINE HANGER
A. BOLT AND LINKS
Be SUPPORT RING (INCLUDING ATTACH. TO LONGERONS)
E. UPPER & LOWER LONGERONS FROM F.S. 365 TO F.S. 510
F. AFT FUSELAGE JOINT
1. FWD OF F.S. 555
2. AFT OF F.S. 555
G. HORIZONTAL STABILIZER ROOT AREA (REMOVE FILLETS)
H. WING ROOT AREA (REMOVE FILLETS)
1. SKIN FOR CRACKS, BUCKLES, ETC.
2. RIVETS, BOLTS, ETC. FOR WORKING OR LOOSENESS
(NOTE: WING ATTACH BOLTS & FITTINGS WERE
THOROUGHLY INSPECTED AT LAST WING REMOVAL.)
1. ALL SKIN/MAIN FRAME RIVETS FOR WORKING OR LOOSENESS
(BETWEEN UPPER & LOWER LONGERONS).
II. DYE CHECK FITTINGS, CLIPS & STRUCTURE AS REQUIRED ON A
SUSPECT BASIS.
III. X-RAY INSPECT STRUCTURE AS REQUIRED ON A SUSPECT BASIS,
IV. SONIC INSPECT STRUCTURE AS REQUIRED ON A SUSPECT BASIS.
V. CHECK TROQUE ON MAIN FRAME/LONGERON BOLTS & REPLACE AS
NECESSARY.
A. F.S. 389
Be F.S. 401
C. F.S. 413
D. F.S. 425
E. F.S. 437
F. F.S. 449
VI. REMOVE PAINT ON THE LOWER SURFACE OF WING, BOTH SIDES,
FROM THE ROOT RIB OUTBOARD 20 INCHES APPROXIMATELY. CHECK-FOR
CRACKS, CUPPED RIVETS OR SCRATCHES.
WE WILL STILL SEND THE THREE TECHNICIANS PLUS EQUIPMENT AS
OUTLINED IN REF MSG. YOU ARE AWARE OF THEIR ITINERARIES.
END OF MESSAGE
Approved For Release 2002/06/18 : CIA-RDP74B00447R000100010042-5
9 E C R E T