# SDR ASAA201808135743

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2018
- Submitted: August 13, 2018
- Operation: Air carrier
- Aircraft: [N408AS](https://openairdocs.org/aircraft/N408AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41732
- Aircraft time: 22,517 hours, 7,380 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Cooler
- Part number: UA5385513
- Part serial: 9946
- Condition: Leaking
- Location: Nr 2 Idg
- Part time: 22,513 hours, 7,378 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/ASAA201808135743

## Discrepancy

NR 2 IDG FREQUENT SERVICING,  ACFT GROUNDED. FOUND EVIDENCE OF IDG AIR/OIL COOLER LEAKING INTERNALLY, REMOVED AND REPLACED THE NR 2 IDG AIR/OIL COOLER IAW AMM 24-11-21, OPS & LEAK CHECKED GOOD, NO OTHER DEFECTS NOTED.

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