SDR ASAA2020100933329

Service difficulty report · Fmc · Boeing 737900ER

Difficulty date: October 9, 2020
Submitted: October 12, 2020
Operation: Air carrier
Aircraft: N403AS
Make and model: Boeing 737900ER
Aircraft serial: 41730
Aircraft time: 30,119 hours, 9,749 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Failed
Location: Right
Stage of operation: TX
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

RT FMC FAILED AT GATE. GROUNDED-YES. PERFORMED NR 2 FMC BITE, FOUND NO INFLIGHT FAULTS. FOUND GROUND NR 2 FMC FAULT. CYCLED POWER/AIRCRAFT PWR - NR 2 FMC. OPERATIONS CHECKS NORMAL, REF B737-900 FIM 34-61 TASK 801. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.

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