What was found
DURING DECENT, FMC WOULD NOT ALLOW A SPEED GREATER THAN 310 KIAS. DID NOT FOLLOW PROFILE. PERFORMED RTS TEST BOTH FMCS PASSED, FMC SPEED ERROR INDUCED BY THE NR 3 MAIN FUEL TANK QTY INOPERATIVE TIP MESSAGE.
- Difficulty date
- August 31, 2017
- Submitted
- September 1, 2017
- Operation
- Air carrier
- Aircraft
- N273UP
- Make and model
- Doug MD11F
- Aircraft serial
- 48574
- Aircraft time
- 64,834 hours, 12,268 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- Stage of operation
- DE
- 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.