# SDR ASAA2019031428651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2019
- Submitted: March 19, 2019
- Operation: Air carrier
- Aircraft: [N584AS](https://openairdocs.org/aircraft/N584AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35682
- Aircraft time: 44,228 hours, 13,145 cycles
- System (JASC): [7311 · Engine Fuel/Oil Cooler](https://openairdocs.org/jasc/7311)
- Part: Heat Exchanger
- Part number: 453328039
- Part serial: YB029009
- Condition: Leaking
- Location: Nr 2 Engine
- Part time: 39,503 hours, 12,985 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/ASAA2019031428651

## Discrepancy

DURING IDLE PWR RUN, FOUND NR 2 ENG MAIN OIL/FUEL HEAT EXCHANGER PAD DRAIN LEAKING AT A RATE OF 8 DROPS PER MIN. (LEAKING FUEL). GROUNDED - YES. REMOVED & REPLACED OIL/FUEL HEAT EXCHANGER REF AMM 73-11-04. LEAK CHECKED GOOD.

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