SDR FDEA201710193005

Service difficulty report · Cadc · Doug MD11F

Difficulty date: October 19, 2017
Submitted: October 20, 2017
Operation: Air carrier
Aircraft: N612FE
Make and model: Doug MD11F
Aircraft serial: 48605
Aircraft time: 77,302 hours, 18,603 cycles
System (JASC): 3417 · Air Data Computer
Part: Cadc
Part number: 4059060901
Part serial: 89010217
Condition: No Test
Location: Nr 2
Stage of operation: TO
How discovered: O
Nature of condition: J
Precautionary procedure: C

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

What was found

AT 110 KTS, ALT & IAS AMBER ALERTS APPEARED ON THE CAPTAIN`S AND FIRST OFFICER`S PFOS. DURING TROUBLESHOOTING IAW FIM 34-11-01-03, AND 34-11-03-03, FOUND THE NR 2 CADC WOULD NOT TEST. REMOVED AND REPLACED THE NR 2 CADC IAW MM 34-16-01-4, 34-10-00-2, 22-00-00-2. SYSTEM OPS NORMAL, ACFT OK FOR SERVICE.

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