As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED NEW STALL COMPUTER UNIT FROM LEARJET, REMOVED FROM BOX, UNIT NOT OPERATING CORRECTLY. LT TONE TOO LONG, RT WOULD NOT TEST. RETURNED UNUSED TO LEARJET FOR REPLACEMENT. RECEIVED SECOND UNIT, INSTALLED ON AIRCRAFT AND RETURNED TO SERVICE. (PN 5480003-2).