SDR I5PA2025010475701

Service difficulty report · Fmc · Boeing 75729J

Difficulty date: January 4, 2025
Submitted: January 8, 2025
Operation: Air carrier
Aircraft: N757QM
Make and model: Boeing 75729J
Aircraft serial: 27203
Aircraft time: 67,354 hours, 34,885 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Faulted
Stage of operation: CR
How discovered: O
Nature of condition: S
Precautionary procedure: A

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

What was found

FLT NO. MGE 300 (EVENT). AIR RETURN DUE TO: NO INFO ON PROGRESS PAGE BURN, TIME WIND UNABLE TO MAINTAIN COURSE. TEMP SELECT FOR THROTTLES INOP. NO LNAV / VNAV. - SWAPPED FMC FOR TROUBLESHOOTING PER AMM 34-61-01, PERFORMED BITE TEST PER FIM 22-02 TASK 801 TEST NORMAL. PERFORMED MCDP BITE NO FAULTS FOUND. PERFORMED FIM 34-61 FT 823 NO FAULTS FOUND.

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