CABLE TO DIRECTOR FROM [DELETED] RE ELECTRICAL PROBLEMS PLAGUING ACFT 123 AND C

Created: 1/25/1963

OCR scan of the original document, errors are possible

MO NIGHT ACTION

REFERENCE IS MADE TO THE ELECTRICAL PROBLEMS PLAGUINGND CAUSING ABORT OF SEVERAL INS XLIGHTS. THIS WAS ERRONEOUSLY REPORTED AS INVERTER PROBLEMS VHILE IT TURNS OUT TO BE TROUBLE WITH THE SUN STRAND CONSTANT SPEED DRIVE UNITS WHICH WERE ADAPTED TO5 ENGINE?.

THESE DRIVES ARE NOT HOLDING CONSTANT SPEED AND FREQUENCY IS VARYINGYCLESYCLESYCLES IS REQUIRED. LAC DOES NOTANDLE ON THE PROBLEM YET BUT HAVE REPLACED BOTH DSD'S AND HAVE SENT TWO TROUBLEMAKERS TO BURBANK FOR INSPECTION AND TEST. FIRST CHECK OF THE NEW ONES IN THE ACFT WILL BE TONIGHT

END OF MESSAGE

APPROVED fOH RELEASE DATE:7

Original document.

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