# SDR CALA2018102202168

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2018
- Submitted: October 22, 2018
- Operation: Air carrier
- Aircraft: [N13248](https://openairdocs.org/aircraft/N13248), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28808
- Aircraft time: 61,082 hours, 22,020 cycles
- System (JASC): [3418 · Stall Warning System](https://openairdocs.org/jasc/3418)
- Part: Sensor
- Part number: 0861FL1
- Part serial: 8725
- Condition: Faulty
- Location: Aoa
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2018102202168

## Discrepancy

IAS DISAGREE 3 DIFF TIMES DURING FLIGHT. FO SPEED AS MUCH AS 15 KTS HIGHER THAN CA. T/S PER FIMTASK 31-62-00-810-876 TO FAULTY LT AOA SENSOR T433. R&R L AOA PROBE IAW MM 34-21-05 OPS CHECKS GOOD ROTABLE PARTS CHANGE WAS INDICATED - TT 1028393 SN OFF 8725 SENSOR, ANGLE O  OFF 29-3412-9-0001 8725 ON 29-3412-9-0001 5660.

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