# SDR ASAA2017040620392

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2017
- Submitted: April 10, 2017
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 39,627 hours, 12,000 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Oil Cooler
- Part number: UA5385513
- Part serial: 1813
- Condition: Leaking
- Location: Nr 1 Idg
- Part time: 56,196 hours, 19,580 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/ASAA2017040620392

## Discrepancy

NR 1 ENGINE IDG AIR/OIL COOLER LEAKING.  ACFT GROUNDED.  REMOVED AND REPLACED THE NR 1 IDG AIR/OIL COOLER IAW AMM 24-11-21-000-801, AND 24-11-21-400-801. NR 1 ENG IDG OIL COOLER LEAK CHECK GOOD IAW AMM 71-00-00-700-801-F00. ETOPS GROUND VERIFICATION SUCCESSFUL.

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