# SDR FDEA202203180584

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2022
- Submitted: March 21, 2022
- Operation: Air carrier
- Aircraft: [N590FE](https://openairdocs.org/aircraft/N590FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48505
- Aircraft time: 92,821 hours, 21,790 cycles
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Computer
- Part number: 4059060901
- Part serial: 91030325
- Condition: Failed
- Location: N/A
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202203180584

## Discrepancy

ELEVATOR CONTROLLER FEEL LOST AT FL 390 WITH LOSS  OF FO AIRSPEED.   PERFORMED ORH PROCEDURE  UNRELIABLE AIRSPEED FO.   REMOVED AND REPLACED #2 CENTRAL AIR DATA COMPUTER                      IAW MD-11 AMM 34-16-01-4 OPS CHECK NORMAL, PERFORM                      RETURN TO SERVICE  ON FCC 1 AND 2 ,AUTO FLIGHT                          SYSTEM TEST IAW MD-11 AMM 22-00-00-5 ALL TEST                           PASSED, RESET 30 DAY LMM TIMER, OK FOR SERVICE.

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