# SDR 2026FA0000122

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2026
- Submitted: February 13, 2026
- Operation: General aviation
- Aircraft: N9YENT
- Make and model: Agusta AW139
- Registry model: [Agusta AW139](https://openairdocs.org/model/agustawestland-philadelphia-aw139) (OpenAirDocs)
- Aircraft serial: 41368
- Aircraft time: 10,276 hours, 23,607 cycles
- Engine: Pwc PT6C67C
- System (JASC): [3200 · Landing Gear System](https://openairdocs.org/jasc/3200)
- Part: Landing Gear
- Part number: 3G3210V00237
- Part serial: 00728R
- Condition: Defective
- Location: Zone 700
- Part time: 10,276 hours, 23,607 cycles
- Stage of operation: HO
- How discovered: O
- Nature of condition: G, J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000122

## Discrepancy

MULTIPLE NR 2 WOW FAIL CAS MESSAGES.   NOT FULLY EXTENDING. RIGHT MAIN LANDING GEAR SERVICED. EXTENSION AND RETRACTION OPERATIONAL CHECK CARRIED OUT SATISFACTORY.  CIRCUIT BREAKER WAS RECYCLED, INITIAL FAULT OF “#2 WOW CAS” COULD NOT BE REPLICATED.  RIGHT MAIN LANDING GEAR GREASE PIN REMOVED AND CLEANED.   RIGHT HAND SUPPORT PIN FOUND NOT LUBRICATED. PIN SERVICED/ GREASED. OPERATIONAL TEST OF EXTENSION AND RETRACTION CARRIED OUT SATISFACTORY.  RIGHT MLG ASSY WAS FOUND TO BE STIFF, RIGHT MLG ASSY REPLACED WITH A SERVICEABLE ONE. OEM WAS ENGAGED VIA PSE/TQ/2026/229784.

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