SDR ASAA2022102440446

Service difficulty report · Fmc · Boeing 737890

Difficulty date: October 24, 2022
Submitted: October 25, 2022
Operation: Air carrier
Aircraft: N533AS
Make and model: Boeing 737890
Aircraft serial: 35201
Aircraft time: 42,828 hours, 12,374 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Part number: UNKNOWN
Condition: Failed
Location: Unknown
Stage of operation: TX
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

DUAL FMC FAIL AFTER LANDING. GROUNDED - YES. CYCLED AIRCRAFT POWER, FMC PROMPT DISPLAYED ON L & R CDU'S, PERFORMED FMC BITE PER B737-800 FIM 31-61 TASK 801, NO FAULTS NOTED. ALIGNED L & R IRS'S PER B737-800 AMM 34-21-00, OPS CHECK GOOD, ALIGNS NORMALLY.