- Difficulty date
- June 3, 2021
- Submitted
- June 7, 2021
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40716
- Aircraft time
- 21,278 hours, 6,690 cycles
- Part
- Display
- Condition
- Intermittent
- Location
- First Officer'S
- Stage of operation
- NR
- 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.
What was found
FIRST OFFICER'S NAVIGATION DISPLAY INTERMITTENTEY SHOWS "VTK FLAG". GROUNDED - YES. VERIFIED FAULT, R/H FMC CYCLES ON & OFF. CYCLED BOTH FMC CMPTR C/B'S. ACCOMP. FMC BITE TEST RFMC SHOWS PGM FAULT, INTERMITTENT. ACCOMP. FMC SENSOR STATUS TEST ALL SHOW OK REF. B737-900 M/M 34-61-00-710-026 B737-900 FIM 34-61 TASK 801 & TASK 807. SEA/MC NOTIFIED ARNIE.