# SDR ASAA2016112018768

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2016
- Submitted: November 28, 2016
- Operation: Air carrier
- Aircraft: [N514AS](https://openairdocs.org/aircraft/N514AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35193
- Aircraft time: 31,070 hours, 9,385 cycles
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Heat Exchanger
- Part number: 453328039
- Part serial: YB038452
- Condition: Leaking
- Location: Oil - Fuel
- Part time: 31,124 hours, 9,404 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016112018768

## Discrepancy

NR 1 MAIN OIL - FUEL HEAT EXCHANGER LEAKING.  ACFT GROUNDED.   REMOVED & REPLACED THE OIL - FUEL HEAT EXCHANGER IAW AMM 79-21-02-00-801-F00 & AMM 79-21-02-400-801. IDLE LEAK & OPS CHECKED GOOD. NO FURTHER DEFECTS NOTED.

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