SDR ABXA20130619458

Service difficulty report · Cdu · Boeing 767223

Difficulty date: June 19, 2013
Submitted: June 20, 2013
Operation: Air carrier
Aircraft: N315AA
Make and model: Boeing 767223
Aircraft serial: 22317
Aircraft time: 74,356 hours, 17,195 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Cdu
Condition: Failed
Stage of operation: TX
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

CREW REPORTED A LOUD SQUEAL THEN THE RT FMC CDU BLANKED AND TRIPPED CIRCUIT BREAKER 11E29, REPORTED A BURNED ODOR IN THE COCKPIT. INSPECTED RT CDU CONNECTOR AND WIRING, ALL OK. ALSO, CHECKED LT CDU CONNECTOR AND WIRING ALL OK. CONFIRMED CDU SMELLS BURNED AND COCKPIT ODOR HAS DISSIPATED. R & R RT FMC CDU, THE SYS TESTED GOOD IAW MM 34-61-02, ACFT WAS GROUNDED.