Service difficulty report · Computer · Doug DC982

Difficulty date
June 21, 2004
Submitted
June 25, 2004
Operation
Air carrier
Aircraft
N1003Y
Make and model
Doug DC982
Aircraft serial
48068
Aircraft time
65,672 hours, 51,426 cycles
Part
Computer
Part number
HG280D80
Part serial
1529
Condition
Failed
Location
Cadc
Part time
41,030 hours, 30,341 cycles
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING TRANSIT CHECK, CAPTAIN REPORTED SPEED FLAG IN BOTH ADI´S AND FLAG IN EPR LIMIT INDICATOR. CADC´S AND DFGC´S RESEAT WERE PERFORMED AND FAIL CONTINUED. DIFFERENCE OF 150 FEET BETWEEN BOTH ALTIMETERS WAS REPORTED AND CADC´S WERE REPLACED IAW MM 34-16-01, TESTS CORRECT.

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