Service difficulty report · Switch · Doug MD11F

Difficulty date
February 5, 2010
Submitted
February 18, 2010
Operation
Air carrier
Aircraft
N603FE
Make and model
Doug MD11F
Aircraft serial
48459
Aircraft time
61,177 hours, 13,933 cycles
Part
Switch
Part number
001111101
Part serial
653
Condition
Failed
Location
Detector
Stage of operation
CL
How discovered
O
Nature of condition
G
Precautionary procedure
H

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

What was found

ON CLIMBOUT, WINDSHEAR DETECT FAIL AND ALT COMPARATOR ALERTS ILLUMINATED, CONSISTENT WITH POTENTIAL CADC FAILURE. SHORTLY THEREAFTER WE LOST ALL FCP FUNCTIONS. A/P UNABLE TO HOLD ALTITUDE, CONSIDERING HISTORY OF ACFT WITH CADC PROBLEMS AND LOSS OF UNRELIABLE AIRSPEED INDICATION, DECISION MADE TO DIVERT IAW GOC. LANDED CDG WITHOUT INCIDENT. MX REMOVED AND REPLACED AIR DATA SWITCHING UNIT AS PER AMM 34-16-13-5 OPS CK GOOD.

More about the Doug MD-11F