What was found
DUAL FMC FAILURE, FMC WAS RESTORED TOOK ABOUT 10 MIN. GROUNDED - YES. LT AND RT FMC LOGGED "PGM FAULT". PERFORMED B737-900 FIM 34-61 TASK 807 LT AND RT FMC'S NORMAL.
- Difficulty date
- September 5, 2020
- Submitted
- September 9, 2020
- Operation
- Air carrier
- Aircraft
- N481AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44106
- Aircraft time
- 19,472 hours, 6,233 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Failed
- 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.