# SDR AC2A202503271391

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2025
- Submitted: March 27, 2025
- Operation: Air carrier
- Aircraft: [N639GG](https://openairdocs.org/aircraft/N639GG), registered now
- Make and model: Agusta AW139
- Registry model: [Agusta AW139](https://openairdocs.org/model/agustawestland-philadelphia-aw139) (OpenAirDocs)
- Aircraft serial: 41308
- Aircraft time: 8,350 hours, 13,908 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hose
- Part number: A94851
- Condition: Leaking
- Location: Zone 700
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AC2A202503271391

## Discrepancy

DURING FLIGHT HYD UTIL PRESS CAS LIGHT ILLUMINATED, #2 HYD RES LEVEL INDICATED 50% LEVEL. USED EMER GEAR DOWN WITCH. UPON INSPECTION, WE DISCOVERED  THAT THE THE HYDRAULIC LINE ON THE #2 MAIN LANDING GEAR WAS LEAKING WHICH CAUSED THE #2 RESERVOIR LOW CAS.

---
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.