SDR ASAA2023100545515

Service difficulty report · Unknown · Boeing 7379

Difficulty date: October 5, 2023
Submitted: October 9, 2023
Operation: Air carrier
Aircraft: N932AK
Make and model: Boeing 7379
Aircraft serial: 44089
Aircraft time: 6,603 hours, 1,905 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Unknown
Part number: UNKNOWN
Condition: Unknown
Location: Unknown
Stage of operation: CR
How discovered: V
Nature of condition: J
Precautionary procedure: K

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

What was found

AT FL370 AN CRUISE, EXPERIANCED A DUEL FMC FAILURE WITH " VTK" ON CAPT. N.D LASTED FOR APPROX. 20-30 SECONDS AND THEN BOTH SIDES RESTORED. LNAV/VNAV DISCONECTED AND HAD TO BE MANUALLY RE-ENGAUGED. "VTK" DISAPPEARED. GROUNDED - YES. ACCOMPLISHED IFIM TASK 34-61-00-801-918. RESET NO.1 7 NO.2 FMC, OPS CHECK GOOD. SEAMC PAT NOTIFIED.

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