What was found
AIRCRAFT OVERSPEED MULTIPLE TIMES IN CLIMB, SPEED TAPE DROPPING. T/S PER FIM 34-63-21 NO FAULT OR FAIL SENSOR SHOWN. PERFORMED ADC #1 & #2 RTS PER AMM 34-16-01. ALL TESTS PASSED, UPDATED FMS SOFTWARE PER AMM 34-63-01.
- Difficulty date
- September 19, 2022
- Submitted
- September 21, 2022
- Operation
- Air carrier
- Aircraft
- N412SN
- Make and model
- Doug MD11F
- Aircraft serial
- 48412
- Aircraft time
- 76,997 hours, 15,778 cycles
- System (JASC)
- 3417 · Air Data Computer
- Part
- Adc
- Condition
- False Indication
- Location
- Nr 1-2
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.