# SDR 3EJA202601150004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2025
- Submitted: January 15, 2026
- Operation: Air carrier
- Aircraft: [N720JS](https://openairdocs.org/aircraft/N720JS), registered now
- Make and model: Cessna 525B
- Registry model: [Cessna 525B](https://openairdocs.org/model/cessna-525b) (OpenAirDocs)
- Aircraft serial: 525B0130
- Aircraft time: 6,552 hours, 9,352 cycles
- System (JASC): [3210 · Main Landing Gear](https://openairdocs.org/jasc/3210)
- Part: Bracket
- Part number: 55424023AND4
- Condition: Worn
- Location: Zone 700
- Part time: 6,552 hours, 9,352 cycles
- 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/3EJA202601150004

## Discrepancy

ON RETRACTING THE MLG WE FELT AND HEARD A LOUD VIBRATION THAT SEEMED TO BE COMING FROM THE NOSE GEAR. IT WAS ACCOMPANIED BY THE GEAR UNSAFE LIGHT FLASHING IN RHYTHM WITH THE SOUND THAT EVENTUALLY EXTINGUISHED WITH THE HYDRAULIC ANNUNCIATOR.   REPLACED NLG UPLOCK BRACKET, OPS CHECK GOOD

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