# SDR ASAA2012072392596

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2012
- Submitted: July 25, 2012
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 16,142 hours, 5,160 cycles
- Engine: Cfmint CFM567B273
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Heat Exchanger
- Part number: 118411934
- Part serial: YY083083Y
- Condition: Leaking
- Location: Nr 2 Engine
- Part time: 28,581 hours, 9,012 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/ASAA2012072392596

## Discrepancy

NR 2 ENGINE FUEL LEAK AT DRAIN LINE FOR FUEL/ OIL HEAT EXCHANGER 10 DROPS IAW MINUTE.  REMOVED NR 2 ENGINE OIL/ FUEL HEAT EXCHANGER.  INSTALLED SERVICEABLE OIL/ FUEL HEAT EXCHANGER REF MM 79-21-02-400-801.  STEPS A THRU H (1). COMPLETED INSTALLATION AND LEAK CHECKED GOOD REF MM 79-21-02-400-801 H(2)-I(1) AND 71-00-00700-801-F00.  NO LEAKS FROM ENGINE DRAINS.

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