SDR ASAA2014101009344

Service difficulty report · Fmc · Boeing 737990ER

Difficulty date: October 10, 2014
Submitted: October 13, 2014
Operation: Air carrier
Aircraft: N402AS
Make and model: Boeing 737990ER
Aircraft serial: 41189
Aircraft time: 7,593 hours, 2,421 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Stage of operation: DE
How discovered: 9
Nature of condition: J
Precautionary procedure: O

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

What was found

AT TOP OF DESCENT, RECEIVED SINGLE FMC OPERATIONS WITH RT VTR AND MAP LIGHT. FOLLOWED QRH, RT FMC FAILURE. ACFT GROUNDED. CYCLED RT FMCS BREAKERS, DUAL OPS RESTORED, RT FMC OPERATIONAL TEST NORMAL REF. AMM 34-61-00-710-801. GROUND VERIFICATION GOOD.