# SDR ASAA2019092030755

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2019
- Submitted: September 23, 2019
- Operation: Air carrier
- Aircraft: [N434AS](https://openairdocs.org/aircraft/N434AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 61620
- Aircraft time: 14,133 hours, 4,501 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Oil Cooler
- Part number: UA5385513
- Part serial: 13668
- Condition: Leaking
- Location: Nr 2 Idg
- Part time: 14,130 hours, 4,500 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019092030755

## Discrepancy

#2 ENG IDG OIL LEVEL LOW, OIL RESIDUE ON T/R SLEEVE BEHIND OIL COOLER. GROUNDED - YES. REPLACED THE #2 ENG IDG OIL COOLER (AIR/OIL) AND SERVICED THE #2 ENG IDG OIL LEVEL TO CORRECT LEVEL. LEAK CHECK GOOD REF AMM 24-11-21/401.

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