# SDR 2026FA0000009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2026
- Submitted: January 8, 2026
- Operation: General aviation
- Aircraft: [N8MD](https://openairdocs.org/aircraft/N8MD), registered now
- Make and model: Beech B300
- Registry model: [Beech B300](https://openairdocs.org/model/hawker-beechcraft-b300) (OpenAirDocs)
- Aircraft serial: FL1341
- Aircraft time: 257 hours, 191 cycles
- System (JASC): [3222 · Nose/Tail Landing Gear Strut/Axle](https://openairdocs.org/jasc/3222)
- Part: Strut
- Part number: 13081002100009
- Part serial: 34134376001
- Condition: Leaking
- Location: Zone 700
- Part time: 191 hours, 257 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000009

## Discrepancy

STRUT INVESTIGATED DURING DISASSEMBLY PROCESS FOR POTENTIAL CAUSES OF LEAKAGE. LOWER BEARING T SEAL EDGES SHOW SIGNS OF SHREDDING AND PINCHING. BACKUPS INSTALLED BACKWARDS AND ONE BROKEN. LOWER BEARING INNER T-SEAL BACKUPS INSTALLED BACKWARDS. PISTON PLUG O-RING DAMAGED IN MULTIPLE PLACES. LOWER TORQUE KNEE CLEVIS PIN DID NOT HAVE REQUIRED WASHER INSTALLED. HYDRAULIC FLUID CONTAINED BLACK PARTICULATES.

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