# SDR AALA200801952

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2008
- Submitted: September 4, 2008
- Operation: Air carrier
- Aircraft: [N793AN](https://openairdocs.org/aircraft/N793AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30255
- Aircraft time: 31,286 hours
- System (JASC): [7931 · Engine Oil Pressure](https://openairdocs.org/jasc/7931)
- Part: Pressure Switch
- Part number: 21SN04340
- Condition: Inoperative
- Location: Rt Engine Oil
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA200801952

## Discrepancy

ORD INFLIGHT T70/24JUL DFW TO FRA.  CREW REPORTED RT HAND ENGINE OIL SCAVENGE FILTER CLOG LIGHT ILLUMINATED.  LANDED ORD WITHOUT INCIDENT.  REPLACED DIFFERENTIAL PRESSURE SWITCH.  SYSTEM GROUND CHECKED NORMAL OPS.  (CLOSED)

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