SDR ASAA2023082544784

Service difficulty report · Unknown · Boeing 7379

Difficulty date: August 25, 2023
Submitted: August 28, 2023
Operation: Air carrier
Aircraft: N972AK
Make and model: Boeing 7379
Aircraft serial: 43389
Aircraft time: 5,851 hours, 1,660 cycles
System (JASC): 3400 · Navigation System
Part: Unknown
Part number: UNKNOWN
Condition: Unknown
Location: Unknown
Stage of operation: LD
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 T/D WITH FO SIDE AS MASTER, LOSS OF LNAV/VTKV, THEN IMMEDIATELY WENT AWAY. NORMAL OPS FOR REST OF ARRIVAL. GROUNDED - YES. COMPLIED WITH FMC RESET PER IFIM 34-61-00-810-918 FMC OPS CHECKS GOOD, COMPLIED IRS TEST PER AMM 3421-00-710-802 OPS TESTS GOOD. ASMC MARK NOTIFIED.

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