# SDR ASAA2023012341608

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2023
- Submitted: January 24, 2023
- Operation: Air carrier
- Aircraft: [N459AS](https://openairdocs.org/aircraft/N459AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36352
- Aircraft time: 33,039 hours, 10,402 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Oil Cooler
- Part number: UA5385513
- Part serial: 11262
- Condition: Leaking
- Location: Nr 2 Gen
- Part time: 33,037 hours, 10,401 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/ASAA2023012341608

## Discrepancy

#2 ENG IDG AIR/OIL COOLER FOUND LEAKING. GROUNDED - YES. REMOVED AND REPLACED #2 ENG IDG AIR/OIL COOLER REF B737-900 AMM 24-11-21.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.