SDR IPXA10M62143

Service difficulty report · Computer · Doug MD11F

Difficulty date: August 24, 2010
Submitted: August 25, 2010
Operation: Air carrier
Aircraft: N277UP
Make and model: Doug MD11F
Aircraft serial: 48578
Engine: Pwa PW4460
System (JASC): 2210 · Autopilot System
Part: Computer
Condition: Faulty
Location: Flt Control
Stage of operation: NR
How discovered: 9
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

ATB - BOTH AUTO PILOT FAIL TO ENGAGE. RECYCLE CBS NO HELP. FOUND FCC 1 CURRENT FAULT IRU-1, IRU-2, IRU-3, AND FCC-1. ALSO FCC-2 CURRENT FAULT IRU-1, IRU-2, IRU-3, AND FCC-2. PERFORMED FCC-1 AND FCC-2 AFS RTS TEST AND AUTOLAND TEST. ALL TEST PASSED IAW AMM 22-01- 01-5.

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