# SDR AALA20170118028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2017
- Submitted: January 18, 2017
- Operation: Air carrier
- Aircraft: [N839NN](https://openairdocs.org/aircraft/N839NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29557
- Aircraft time: 21,261 hours, 8,425 cycles
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Control Valve
- Part number: 32911866
- Part serial: GRTV5007
- Condition: Faulty
- Location: Rt Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20170118028

## Discrepancy

AIRCRAFT WAS GROUNDED. RIGHT ENGINE FUEL LEAK ON TAXI OUT AND A STRONG FUEL ODOR IN THE CABIN. REMOVED AND REPLACED THE HIGH PRESSURE TURBINE ACTIVE CLEARANCE CONTROL VALVE IAW AMM 75-21-01. LEAK AND OPERATIONAL CHECK GOOD.

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