SDR AALA2019112099015

Service difficulty report · Fmc · Boeing 737823

Difficulty date: November 18, 2019
Submitted: November 20, 2019
Operation: Air carrier
Aircraft: N956AN
Make and model: Boeing 737823
Aircraft serial: 30090
Aircraft time: 56,589 hours, 23,512 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Location: Nr 1
Stage of operation: NR
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

AIRCRAFT NOT GROUNDED: PILOT REPORTS CA FMC FAILURE INITIALLY HAD INDICATION FOR BOTH CA AND F/O FMC FAILURE. F/O FMC SEEMES TO COME BACK WHILE RUNNING, FMC FAIL IN QRC. CHECKLIST RESTORED BOTH FMCS, CONTINUED TO LANDING. MAINTENANCE ACCOMPLISHED FMC #1 BITE TEST IAW FIM 34-61-00-810-807, NO FAULTS NOTED. OPS CHECKED NORMAL.