# SDR UPS06548733

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2006
- Submitted: December 6, 2006
- Operation: Air carrier
- Aircraft: [N468UP](https://openairdocs.org/aircraft/N468UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25484
- Engine: Rroyce RB211535*
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Drive Assy
- Condition: Leaking
- Location: Rt Eng Gearbox
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS06548733

## Discrepancy

PILOT REPORTED RIGHT ENGINE OIL LOSS ON DESCENT.  INSPECTED NR 2 ENG. FOUND OIL LEAK COMING FROM THE HIGH SPEED GEARBOX RADIAL DRIVE. ACCOMPLISHED HS GEARBOX RADIAL DRIVE SHAFT SEAL REPLACEMENT IAW AMM 72-62-01-4. SERVICED ENGINE WITH OIL. ACCOMPLISHED ENGINE RUN PER TEST 2 AMM 71-00-00/501 LEAK CK OK.

---
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.
