What was found
L AND R FMC FAIL -EMERGENCY DECLARED ***EMERGENCY DECLARED*** R&R'D BOTH FMC COMPUTERS. UPDATED ALL SOFTWARE. BOTH FMCS OPS CKS NORMALLY. REF B757 MM SEC 34-61-01-4-1. ALL SOFTWARE UPDATED TO CURRENT REQUIREMENTS.
- Difficulty date
- April 13, 2022
- Submitted
- April 13, 2022
- Operation
- Air carrier
- Aircraft
- N783FD
- Make and model
- Boeing 757222
- Aircraft serial
- 26678
- Aircraft time
- 75,129 hours, 29,269 cycles
- System (JASC)
- 3461 · Flight Management Computing Software System
- Part
- Fmc
- Part number
- 4052506955
- Part serial
- 90124791
- Condition
- Failed
- Location
- N/A
- Stage of operation
- UK
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.