Service difficulty report · Dcu · Boeing 717200

Difficulty date
December 20, 2014
Submitted
December 22, 2014
Operation
Air carrier
Aircraft
N485HA
Make and model
Boeing 717200
Aircraft serial
55130
Aircraft time
20,881 hours, 49,925 cycles
Part
Dcu
Part number
MD9XDCU22
Part serial
ID020896
Condition
Malfunctioned
Part time
17,861 hours, 42,463 cycles
Stage of operation
CL
How discovered
O
Nature of condition
G, J
Precautionary procedure
A

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

What was found

AIR DATA HEAT COMPLETE FAILURE AOA, STATIC, PITOT, RAT, RUDDER, AIR TURNBACK. ACCOMPLISHED FIM TASK 30-30, TASK 814. REPLACED AIR DATA HEATER SWITCH IAW WDM 30-31-01 AND REPLACED DCU IAW AMM 31-43-02. OPS CHECKED OF DCU IS OK. OPS CHECKED OF AOA, STATIC, PITOT, RAT, RUDDER HEATERS ARE ALL OK IAW AMM 30-31-00. NO FAULTS NOTED. OK FOR SERVICE.

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