Service difficulty report · Cadc · Doug DC983

Difficulty date
May 19, 2015
Submitted
May 20, 2015
Operation
Air carrier
Aircraft
N861GA
Make and model
Doug DC983
Aircraft serial
49557
Part
Cadc
Part number
HG280D80
Part serial
1137
Condition
Failed
Location
Nr 1
Stage of operation
DE
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

ON DESCENT, CADC NR 1 & CADC NR 2 FAILED. AUTO THROTTLE & AUTO PILOT DISCONNECTED MOMENTARILY & AIRSPEED DISCREPANCY OF 30KTS BETWEEN AIRSPEED INDICATOR, UNDER FLIGHT FAULT REVIEW, FOUND ONLY CADC NR 1 FAILED. R & R CADC 1 IAW AMM 34-16-01. OPERATIONS CHECKED GOOD, LEAK CHECKED GOOD. RTS SHOWS GO AT THIS TIME.

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