# SDR SWAA2018082024464

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2018
- Submitted: August 21, 2018
- Operation: Air carrier
- Aircraft: [N7841A](https://openairdocs.org/aircraft/N7841A), registered now
- Make and model: Boeing 737-7L9
- Registry model: [Boeing 737-7L9](https://openairdocs.org/model/boeing-737-7l9) (OpenAirDocs)
- Aircraft serial: 28015
- Aircraft time: 44,869 hours, 23,407 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Sensor
- Part number: S0071
- Condition: Faulty
- Location: Lt Mlg
- 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/SWAA2018082024464

## Discrepancy

AIR TURNBACK, AFTER TAKEOFF, LANDING GEAR WAS SELECTED TO UP.  LEFT MAIN GEAR INDICATION OR FWD PAROL INDICATED GREEN "LEFT GEAR" OVERHEAD PAROL GEAR LIGHTS WERE EXTINGUISHED.  RUN "GEAR" DISAGREE "QRM PROCEDURE.  R&R SENSOR PER AMM.

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