# SDR ASAA2019101131001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2019
- Submitted: October 14, 2019
- Operation: Air carrier
- Aircraft: [N464AS](https://openairdocs.org/aircraft/N464AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40714
- Aircraft time: 21,977 hours, 7,012 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7311 · Engine Fuel/Oil Cooler](https://openairdocs.org/jasc/7311)
- Part: Oil Cooler
- Part number: UA5385513
- Part serial: 11441
- Condition: Leaking
- Location: Nr 1 Engine
- Part time: 21,977 hours, 7,012 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019101131001

## Discrepancy

ON WALK-AROUND FOUND NR 1 IDG AIR/OIL COOLER LEAKING. GROUNDED - YES. REMOVED AND REPLACED #1 IDG AIR/OIL COOLER. LEAK CHECK GOOD REF B737-900 AMM 24-11-21 SEAMC DAVE NOTIFIED.

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