What was found
INBOUND FLT. CREW REPORTS BOTH FMC''S LOST WAYPOINTS AND ROUTE INFO TO CAPT''S AND FO''S NAV. DISPLAYS IMMEDIATELY FOLLOWING DEPARTURE. REPLACED BOTH LEFT AND RIGHT I/O MODULES M004. OK TO CONTINUE.
- Difficulty date
- August 22, 2022
- Submitted
- August 22, 2022
- Operation
- Air carrier
- Aircraft
- N224UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30225
- Aircraft time
- 77,847 hours, 9,047 cycles
- System (JASC)
- 3461 · Flight Management Computing Software System
- Part
- I/O Module
- Part number
- NA
- Condition
- Unserviceable
- Location
- Lt & Rt I/O Mod
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.