# SDR ASAA2017092122017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2017
- Submitted: September 25, 2017
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 38,448 hours, 11,495 cycles
- Engine: Cfmint CFM567B27B3
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Heat Exchanger
- Part number: 453328039
- Part serial: YB030230
- Condition: Leaking
- Location: Nr 2 Engine Oil
- Part time: 34,876 hours, 10,675 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017092122017

## Discrepancy

NR 2 ENGINE OIL-FUEL HEAT EXCHANGER LEAKS AT FUEL PUMP GASKET INTERFACE.  ACFT GROUNDED.  REMOVED MAIN OIL FUEL HEAT EXCHANGER AMD SERVO FUEL HEATER IAW AMM 79-21-02-000-801-F00 AND 73-11-07-000-801-F00.  INSTALLED NEW NR 2 ENGINE OIL-FUEL HEAT EXCHANGER IAW AMM 79-21-02-400, STEP 3. LEAK & OPS CHECKED GOOD.

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