What was found
LEFT FMC FAILED MULTIPLE TIMES. ACFT GROUNDED. MOVED FMC SWITCH BACK TO NORMAL. PERFORMED FMCS BITE, BITE CHECKED GOOD IAW FIM 34-61 TASK 801. PERFORMED FIM 34-61 TASK 836. FMC OPERATES NORMALLY. FOUND TO BE INTERMITENT FAULT.
- Difficulty date
- June 7, 2017
- Submitted
- June 12, 2017
- Operation
- Air carrier
- Aircraft
- N428AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36353
- Aircraft time
- 5,017 hours, 1,652 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- Location
- Left
- 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.