SDR DXTA200803029

Service difficulty report · Computer · Cessna 750

Difficulty date: April 28, 2008
Submitted: April 29, 2008
Operation: Air carrier
Aircraft: N944QS
Make and model: Cessna 750
Aircraft serial: 7500144
Aircraft time: 7,414 hours, 4,511 cycles
Engine: Allsn AE3007C
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Computer
Condition: Failed
Location: Flight Guidance
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

ON TAKEOFF, WE HAD MACH TRIM, LOWER YD, AND FGC COMPUTER FAIL. PURGED THE NR 1 AND 2 PITOT STATIC SYSTEMS. PERFORMED LEAK TEST OF THE NR 1 AND 2 PITOT STATIC SYSTEMS AND FUNCTION TESTS OF THE NR 1 AND 2 MADC'S SYSTEM TESTED NORMALLY. DONE IAW CESSNA 750 MM 34-11-01 AND 34-11-08.

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