# SDR ASAA2020111433556

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2020
- Submitted: November 21, 2020
- Operation: Air carrier
- Aircraft: [N467AS](https://openairdocs.org/aircraft/N467AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 24,322 hours, 7,919 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7311 · Engine Fuel/Oil Cooler](https://openairdocs.org/jasc/7311)
- Part: Heater
- Part number: 453328039
- Part serial: YB043815
- Condition: Leaking
- Location: Nr 2 Fuel/Oil
- Part time: 26,431 hours, 8,564 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020111433556

## Discrepancy

NR 2 ENGINE REQUIRES DEFERRAL FOR FUEL/OIL HEAT EXCHANGER DRAIN FUEL LEAK AT 6 DPM.   GROUNDED-YES.  REMOVED AND REPLACED NR 2 ENGINE FUEL/OIL HEAT EXCHANGER, REF B737-900 AMM 79-21-02/401.  LEAK CHECK GOOD.

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