SDR AALA20151130007

Service difficulty report · Fmc · Doug DC983

Difficulty date: November 30, 2015
Submitted: December 2, 2015
Operation: Air carrier
Aircraft: N971TW
Make and model: Doug DC983
Aircraft serial: 53621
Aircraft time: 44,691 hours, 21,967 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Faulty
Location: Zone 100
Stage of operation: CR
How discovered: O
Nature of condition: G
Precautionary procedure: O

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

What was found

EMERGENCY DECLARED, LANDING UNEVENTFUL, ACFT NOT OVERWEIGHT. DURING CRUISE LOST BOTH FMS, HEADING SYSTEMS, FD"S & FMA"S. LOST AUTO THROTTLES & AUTO PILOT. R & R AFMC IAW AMM 22-01-05 & NR 1 & NR 2 IRU IAW AMM 34-43-01. SEE ALSO AALA20151202003 & AALA20151202004.

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