SDR IPXA2M74593

Service difficulty report · Computer · Doug MD11F

Difficulty date: July 25, 2012
Submitted: July 27, 2012
Operation: Air carrier
Aircraft: N283UP
Make and model: Doug MD11F
Aircraft serial: 48484
Engine: Pwa PW4460
System (JASC): 2210 · Autopilot System
Part: Computer
Part number: 4059001908
Part serial: 09011241
Condition: Inoperative
Location: Nr 1 Fcc
Stage of operation: NR
How discovered: O
Nature of condition: G
Precautionary procedure: J

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

What was found

COULD NOT ENGAGE AP1, COULD NOT SWITCH TO NAV 1, CHECKED AND FOUND FCC 1 FAULT, R & R FCC1 THEN CHECKED NO CURRENT FAULT BUT WHILE PERFORM FCC1 CAT3B TEST FOUND PROBABLE CAUSE EL L/O VALVE-LIB SO R & R LIB ELEV ACTUATOR, REMOVED PN 205300-5005, SN AT408.

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