# SDR 04FDEA02465

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2004
- Submitted: August 16, 2004
- Operation: Air carrier
- Aircraft: [N586FE](https://openairdocs.org/aircraft/N586FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48487
- Aircraft time: 44,492 hours, 9,217 cycles
- Engine: Ge CF680C2D1F
- System (JASC): [3418 · Stall Warning System](https://openairdocs.org/jasc/3418)
- Part: Sensor
- Condition: Malfunctioned
- Location: Aoa
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/04FDEA02465

## Discrepancy

CAPTAINS PLI DROPPED TO FD PITCH BAR WHEN SLATS RETRACTED AND STICK SHAKER   ACTUATED CAPTAINS SPEED INDICATOR BECAME RED, ALT MISS COMPARE, W/S DETECT FAIL  ILLUMINATED, EVERYTHING WENT NORMAL WHEN SLATS EXTENDED.  RETURNED TO MEM.  FACT:  REPLACED LT AOA SENSOR AFTER INTERROGATING NR 1 FCC SHOWING NR 1 AOA FAULTED FIVE   TIMES OUT OF LAST SEVEN FLIGHTS. AFTER REPLACEMENT, REF MM 27-35-02-4,  AOA SENSOR PASSED FCC RTS.  AOA SENSOR REMOVED WAS NOT SMOOTH IN ITS MOVEMENT,   VERY GRITTY.

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