What was found
FMC FIELDS DATA FAILURE NO ENG ASSUMGA/DERATE OR T.O. TRIM. GROUNDED - YES. RESET PWR TO BOTH FMCS. FMCS BITE TESTS NORMAL PER B737-900 AMM 34-61 TASK 801.
- Difficulty date
- September 30, 2019
- Submitted
- October 2, 2019
- Operation
- Air carrier
- Aircraft
- N402AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41189
- Aircraft time
- 27,376 hours, 8,911 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- 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.