# SDR QMLA2010121310078

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2010
- Submitted: December 13, 2010
- Operation: Air carrier
- Aircraft: [N136MF](https://openairdocs.org/aircraft/N136MF), registered now
- Make and model: Urocop EC135T2
- Registry model: [Urocop EC135T2](https://openairdocs.org/model/eurocopter-deutschland-ec135t2) (OpenAirDocs)
- Aircraft serial: 0384
- Aircraft time: 2,791 hours
- Engine: Tmeca ARRIUS2B2
- Engine time: 2,791 hours
- System (JASC): [7321 · Fuel Control/Turbine Engines](https://openairdocs.org/jasc/7321)
- Part: Hmu
- Part number: 0319858020
- Part serial: 718B
- Condition: Leaking
- Location: Nr 1 Engine
- Part time: 2,791 hours
- Stage of operation: LD
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2010121310078

## Discrepancy

UPON LANDING ACFT WENT TO FLAT PITCH PILOT DETECTED A STRONG ODOR OF FUEL AND COCKPIT FILLED WITH VISIBLE EXHAUST THAT SMELLED STRONGLY OF FUEL.  PRIMARY TROUBLESHOOTING WITH MFG REP POINTED TO AN INTERNAL LEAK IN BOTH NR1 AND NR2 ENGINE HMU'S ALLOWING FUEL IN THE P2 SYS.  WHICH WITH CABIN HEATER OPERATING ALLOWS FUMES AND VAPORS TO ENTER CABIN/COCKPIT.

---
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.
