# SDR AALA20150428009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2015
- Submitted: April 28, 2015
- Operation: Air carrier
- Aircraft: N489AA
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49682
- Aircraft time: 75,500 hours, 39,623 cycles
- System (JASC): [7921 · Engine Oil Cooler](https://openairdocs.org/jasc/7921)
- Part: Oil Cooler
- Condition: Faulty
- Location: Rt Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20150428009

## Discrepancy

RIGHT ENG CONSTANT SPEED DRIVE UNIT OUTLET TEMP INDICATED HIGH ABOVE RED LINE.  CSD DISCONNECTED DUE TO OVER TEMP.  ACFT DIVERTED WITH OVERWEIGHT LANDING.  REPLACED ENG OIL COOLER WITH GOOD OPERATIONAL CHECKS IAW AMM 24-40-01 & AMM 24-10-03.

---
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.