# SDR ASAA2021021334108

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2021
- Submitted: February 19, 2021
- Operation: Air carrier
- Aircraft: [N626AS](https://openairdocs.org/aircraft/N626AS), registered now
- Make and model: Boeing 737790
- Aircraft serial: 30793
- Aircraft time: 61,797 hours, 30,215 cycles
- System (JASC): [5743 · Wing, Landing Gear Attach Fittings](https://openairdocs.org/jasc/5743)
- Part: Bushing
- Condition: Cracked
- Location: Rmlg Suprt Beam
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021021334108

## Discrepancy

ON GEAR RETRACTION A LOUD THUD OCCURRED IN MAIN LANDING GEAR.  CREW DEBRIEF: VERBAL FROM FLIGHT CREW "THUD" NOISE FROM RT MAIN GROUNDED - YES.  REMOVED AND REPLACED BOTH RT AND LT MLG LANDING GEAR SUPPORT LINK ASSEMBLIES.  PN 115A1500-14 (RT  SIDE - CRACKED & WORN BUSHINGS) & PN 115A1500-13 (LT SIDE - CHANGED AS PRECAUTIONARY AFTER FINDING DAMAGED BUSHINGS ON RT SIDE). REF B737-700 AMM 57-15-01/401.

---
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.