# SDR ASAA2017071221351

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2017
- Submitted: July 13, 2017
- Operation: Air carrier
- Aircraft: [N531AS](https://openairdocs.org/aircraft/N531AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35199
- Aircraft time: 27,563 hours, 8,200 cycles
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Oil Cooler
- Part number: UA5385513
- Part serial: 7683
- Condition: Leaking
- Location: Nr 1 Idg
- Part time: 27,563 hours, 8,200 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017071221351

## Discrepancy

NR 1 ENGINE IDG AIR/OIL COOLER LEAKING.  ACFT GROUNDED.  REPLACED THE OIL COOLER IAW AMM 24-11-21. LEAK CHECKED GOOD.

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