# SDR CALA9601514

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N17407](https://openairdocs.org/aircraft/N17407), registered now
- Make and model: Boeing 727243
- Aircraft serial: 21270
- Engine: Pwa JT8D9
- System (JASC): [7921 · Engine Oil Cooler](https://openairdocs.org/jasc/7921)
- Part: O-Ring
- Part number: MS9388025
- Condition: Leaking
- Location: Oil Cooler
- Stage of operation: TO
- Nature of condition: K
- Precautionary procedure: A, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA9601514

## Discrepancy

THE NR 3 ENGINE BEGAN TO LOSE OIL QUANTITY AFTER TAKEOFF.  THE NR 3 ENGINE WAS SHUT DOWN AND THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENT.  MAINTENANCE FOUND PLUG ON FORWARD END OF OIL COOLER LEAKING.  THE O-RING PLUG WAS REPLACED.  THE NR 3 ENGINE WAS SERVICED TO FULL.  A LEAK CHECK WAS PERFORMED AND NO LEAKS WERE NOTED.

---
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.