# SDR AT0100243

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2001
- Submitted: January 22, 2002
- Operation: Air carrier
- Aircraft: [N836AT](https://openairdocs.org/aircraft/N836AT), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47397
- System (JASC): [7931 · Engine Oil Pressure](https://openairdocs.org/jasc/7931)
- Part: O-Ring
- Part number: 443330
- Condition: Inoperative
- Location: Oil Cooler.
- Stage of operation: CL
- Nature of condition: K
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AT0100243

## Discrepancy

FOUND #1 ENGINE LOST ALL OIL, SHUT DOWN #1 ENGINE AT 38 PSI OIL PRESSURE-ALL OTHER ENGINE PARAMETERS DID NOT EXCEED ILIMITATIONS.   CORRECTIVE ACTION:   FOUND BAD O-RING ON GEAR BOX TO OIL COOLER.  REPLACED O-RING.   IAW DC9 MM 79-20-2

---
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.