# SDR 98UAL900587

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N990UA
- Make and model: Boeing 737291
- Aircraft serial: 21980
- Engine: Pwa JT8D17
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil Line
- Part number: 793651
- Condition: Cracked
- Location: Nr 2 Engine
- Stage of operation: NR
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98UAL900587

## Discrepancy

NUMBER TWO ENGINE HAD LOW OIL PRESSURE.  *S/D*  THE NR 6 BEARING OUTER INTERNAL OIL PRESSURE LINE HAD CRACKED AT THE BRAZE JOINT NEAR THE 'B' NUT CONNECTION, CAUSING THE OIL LOSS.  THE LINE WAS REPLACED AND THE ENGINE WAS BASE CHECKED, RUN IN THE TEST CELL, AND MADE SERVICEABLE.

---
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.
