SDR ASMF200406006

Service difficulty report · Computer · Doug DC982

Difficulty date: June 7, 2004
Submitted: June 12, 2004
Operation: Air carrier
Aircraft: N505MD
Make and model: Doug DC982
Aircraft serial: 49149
Aircraft time: 60,324 hours, 46,935 cycles
System (JASC): 2210 · Autopilot System
Part: Computer
Part number: 4034241974
Part serial: 89021801
Condition: Failed
Location: Flt Guidance
Part time: 4,311 hours, 2,663 cycles
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

AIRCRAFT RETURNED TO PLATFORM AS CONSEQUENCE OF FAIL IN LT FLIGHT GUIDANCE SYSTEM INDICATION. SYSTEM WAS REACTIVATED AND ELECTRICAL BUSS TURNED OFF, AUTO TEST IN BOTH SYSTEMS WAS PERFORMED, ALL CORRECT. DURING OVERNIGHT SERVICE, FLIGHT GUIDANCE COMPUTER WAS REPLACED IAW MM 22-01-01, TEST CORRECT.

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