# SDR ASAA1150562

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2011
- Submitted: October 24, 2011
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 17,681 hours, 5,311 cycles
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Lubrication Unit
- Part number: 41F1005
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1150562

## Discrepancy

GE DIAGNOSTICS REPORTS NR 1 ENGINE OIL PRESSURE READING LOWER THAN EXPECTED.  OIL CONSUMPTION WITHIN 5 DAY LIMT AT .26 QPH.  ACCOMPLISHED NR 1 ENG EXTERNAL OIL SYS INSPECTION IAW B737NG AMM 79 00 00.  NO DEFECTS NOTED.  ACCOMPLISHED NR 1 ENG CHIP DETECTOR & SCAVENGE SCREENS INSPECTION IAW B737NG AMM 79 00 00 NO DEFECTS NOTED.  REPLACED NR 1 ENG LUBRICATION UNIT IAW B737NG AMM 79 31 01.

---
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.