# SDR TRBA2011030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2011
- Submitted: March 29, 2011
- Operation: Air carrier
- Aircraft: N498AT
- Make and model: Aerosp ATR 72-212A
- Registry model: [Aerosp ATR 72-212A](https://openairdocs.org/model/aerospatiale-atr-72-212a) (OpenAirDocs)
- Aircraft serial: 498
- Aircraft time: 22,533 hours, 26,986 cycles
- Engine: Pwa PW127
- Engine time: 19,840 hours, 23,688 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Seal
- Part number: ST3086110
- Condition: Failed
- Location: Rt Engine
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRBA2011030

## Discrepancy

DURING IDLE DESCENTS, BOTH HP VALVES ON, EXHAUST ODOR COMES THROUGH AIR SYS.  R & I NEW PROBE DUMMY PLUG SEALS ON NR 2 ENGINE IAW MM 72-01-60.  OPS CHECK GOOD NO EXHAUST ODORS AT THIS TIME.  NO LEAKS NOTED AT PROBE.

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