# SDR 2021FA0000255

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2021
- Submitted: September 6, 2021
- Operation: General aviation
- Aircraft: [N330AR](https://openairdocs.org/aircraft/N330AR), registered now
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 30037
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Switch
- Part number: MS250112
- Condition: Failed
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2021FA0000255

## Discrepancy

LANDING GEAR RETRACT AT THE SECOND ATTEMPT IN THE FIRST FLIGHT OF THE DAY AND THE OTHER TWO FLIGHTS. CORRECTIVE ACTION: HAS BEEN REPLACED S1060 IAW WDM 32-35-11-1 PG 1 AND PERFORMED MAIN LANDING GEAR OPERATIONAL TEST TASK 32-32-00710-801 NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.