# SDR SWAA2015081842940

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2015
- Submitted: August 18, 2015
- Operation: Air carrier
- Aircraft: N636WN
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27709
- Aircraft time: 60,855 hours, 48,073 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Circuit Card
- Part number: 6558250029
- Part serial: D03716
- Condition: Faulty
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2015081842940

## Discrepancy

AIR TURN BACK, UPON INITIAL GEAR RETRACTION ON TAKEOFF, LT MAIN GEAR RED LIGHT ON WITH GEAR HANDLE UP.  WITH GEAR HANDLE OFF, LT MAIN GEAR RED & GREEN LIGHT ON WITH GEAR HANDLE DOWN, ALL 3 GEAR GREEN LIGHTS ON NORMALLY.  R & R PC CARDS 986 & 988 IAW MM.

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