What was found
DUAL FMC FAILURE, FOUND CMC MESSAGE 34737 IAW FIM 34-01 TASK 941. REMOVED AND REPLACED LEFT FMC IAW AMM 34-61-01 AND BOTH FMC TEST PASSED IAW AMM 34-61-00.
- Difficulty date
- February 22, 2017
- Submitted
- February 23, 2017
- Operation
- Air carrier
- Aircraft
- N418MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 32840
- Aircraft time
- 58,609 hours, 9,220 cycles
- System (JASC)
- 3420 · Attitude and Direction Data System
- Part
- Fmc
- Part number
- 4052508952
- Part serial
- 89022090
- Condition
- Failed
- Location
- Left
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- G, J
- Precautionary procedure
- J, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.