# SDR ASMF200704011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2007
- Submitted: April 16, 2007
- Operation: Air carrier
- Aircraft: N754RA
- Make and model: Doug DC-9-87
- Registry model: [Doug DC-9-87](https://openairdocs.org/model/mcdonnell-douglas-dc-9-87) (OpenAirDocs)
- Aircraft serial: 49641
- Aircraft time: 39,881 hours, 27,539 cycles
- Engine: Pwa JT8D219
- Engine time: 39,635 hours, 26,864 cycles
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Pressure Valve
- Part number: 811131
- Part serial: 26570
- Condition: Failed
- Location: Oil System
- Part time: 12,081 hours, 8,441 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF200704011

## Discrepancy

AIRCRAFT RETURNED, DUE TO HIGH OIL PRESSURE (57 PSI) AND TEMPERATURE (157 DEGREES C) INDICATIONS OF RT ENGINE WERE SHOWN. DURING MAINTENANCE CHECK, A BOROSCOPIC INSPECTION WAS PERFORMED AND CHIP DETECTOR WAS CHECKED, ALL CORRECT. AS PRECAUTIONARY ACTION OIL, FILTER AND OIL PRESSURE REGULATOR VALVE WERE REPLACED AND ADJUSTED IAW MM 79-20-03, TESTED CORRECT.

---
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.