SDR DXTA200400289

Service difficulty report · Cdu · Cessna 750

Difficulty date: April 1, 2004
Submitted: April 8, 2004
Operation: Air carrier
Aircraft: N924QS
Make and model: Cessna 750
Aircraft serial: 7500124
Aircraft time: 3,294 hours, 2,038 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Cdu
Part number: 700549901
Part serial: 000113681
Condition: Failed
Location: Nr 1 Fms
Stage of operation: CR
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

DURING CRUISE AT FL430, NR 1 FMS WENT BLANK WITH RED FMS NR 1 DISPLAYED ON CAPTAIN’S MFD. ABOUT 30 MINUTES LATER A FAINT ODOR OF BURNED INSULATION NOTICED, ODOR STAYED CONSTANT FOR THE REST OF THE FLIGHT. REMOVED AND REPLACED NR 1 FMS CDU, OP-CHECK GOOD PER CESSNA 750 MM CHAPTER 34-60-01.

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