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PRITY OXCART
POKE WITH ED MART IN, LARRY BOHANNON AND KELLY JOHNSON
ABOUT THE PROBLEM OF THE INVERTED SCREWS IN THE PRIMARY FLIGHT
CONTROL MIXER UNIT. APPARENTLY BOHANNON AND KELLY READ THE RIOT
ACT TO MARTIN, BOEHME AND COMPANY CONCERNING THE BASIC DESIGN
IX IS UNDERWAY WHICH CONSISTS PRIMARILYOCKWIRED
RETAINER RING TO PREVENT ALL SCREWS IN THIS ASSEMBLY FROM FALLING
OUT SHOULD THEY LOOSEN. DESIGN SUCH AS THIS IS IN DIRECT VIOLATION
OF THE AIR FORCE HANDBOOK AND FAA REGULATIONS, BUT APPARENTLY
THESE REQUIREMENTS ARE BYPASSED WHENEVER THEY CONFLICT WITH LAC
DESIGN. THEY ALSO USE LOCKNUTS IN PRIMARY FLIGHT CONTROLS RATHER
THAN LOCK WIRE OR COTTER KEYS. ERSONALLY WOULD NEVER APPROVE
SUCH INSTALLATIONS.
OWEVER, LAC FEELS THE PROBLEM IS SERIOUS ENOUGH (WE
ALMOST LOST AN AIRCRAFT) THAT THE ENTIRE MECHANICAL, ELECTRICAL,
AND HYDRAULIC SYSTEMS ARE BEING REVIEWED TO DETERMINE IF OTHER
POTENTIAL HAZARDS OCCUR AND TO CORRECT SAME.
END OF MESSAGE
FOR RELEASE DATE:7
THER THAN THE ISSUING OffKl IS PROHIBITED.
Original document.
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