SDR ASAA2022102740491

Service difficulty report · Fmc · Boeing 7379

Difficulty date: October 27, 2022
Submitted: October 28, 2022
Operation: Air carrier
Aircraft: N948AK
Make and model: Boeing 7379
Aircraft serial: 44090
Aircraft time: 156 hours, 60 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Failed
Location: Right
Stage of operation: CR
How discovered: O
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

RIGHT FMC FAILED IN CRUISE FLIGHT. GROUNDED - YES. FOLLOWED B737-9 IFIM TASK 34-61-00-810-883, FMC-2 HAS AN INTERNAL FAULT. PERFORMED INITIAL EVALUATION STEP "B" TASKS 1-15. NO PROBLEM WITH FMC PROMPT, FAULT IS INTERMITTENT. NO HISTORY WITHIN 30 DAYS. OPS CHECK GOOD.

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