# SDR RAIA2009070900001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2009
- Submitted: July 9, 2009
- Operation: Air carrier
- Aircraft: N804HK
- Make and model: Emb EMB-145EP
- Registry model: [EMB EMB-145EP](https://openairdocs.org/model/embraer-emb-145ep) (OpenAirDocs)
- Aircraft serial: 145082
- Aircraft time: 24,317 hours, 22,914 cycles
- Engine: Rroyce AE3007A11
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Carbon Seal
- Part number: 4252070
- Condition: Worn
- Location: Nr 2 Engine
- Stage of operation: DE
- How discovered: O
- Nature of condition: K
- Precautionary procedure: E, B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/RAIA2009070900001

## Discrepancy

FLT 7939 - IAD - DURING DESCENT THE NR 2 ENGINE OIL PRESSURE DROPPED TO 15-20 PERCENT AND SHUT THE ENGINE DOWN.  MAINTENANCE INSPECTED AND FOUND AN OIL LEAK BEHIND NR 2 GEN AT  MAGNETIC/MECHANICAL CARBON SEAL.  REMOVED AND REPLACED THE CARBON SEAL FOLLOWED BY A LEAK CHECK OF THE NR 2 ENGINE WITH NO DEFECTS/LEAKS NOTED.

---
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.