SDR CA160222005

Service difficulty report · Computer · Boeing 7572B7

Difficulty date: February 19, 2016
Submitted: April 22, 2016
Operation: General aviation
Make and model: Boeing 7572B7
Aircraft time: 59,091 hours
Engine: Rroyce RB211535E437
System (JASC): 2213 · Flight Controller
Part: Computer
Part number: 6228757104
Condition: Malfunctioned
Location: Autopilot Sys
Stage of operation: DE
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

(CAN) ON DESCENT A "BURNED INSULATION" ODOR WAS NOTED, THE ODOR PERSISTED, BUT NO SMOKE WAS EVIDENT. ON THE GROUND, TROUBLESHOOTING REVEALED THE RT FLIGHT CONTROL COMPUTER HAS INTERNALLY MALFUNCTIONED, CAUSING THE ODOR. THE FCC WAS REPLACED.

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