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Commuter air carrier mdt performs a precautionary emergency landing short of destination when engine oil pressure falls below normal.
| Attributes | |
| ACN | 182987 |
| Time | |
| Date | 199107 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : ipt |
| State Reference | PA |
| Altitude | msl bound lower : 20000 msl bound upper : 20000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | artcc : zny tower : ipt |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Transport, High Wing, 2 Turboprop Eng |
| Flight Phase | cruise other |
| Route In Use | enroute airway : zny |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 9500 flight time type : 700 |
| ASRS Report | 182987 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : declared emergency other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
Cruising at 20000' we got an abnormal oil pressure between 50 and 55 psi. The abnormal checklist for abnormal oil pressure was accomplished and the power on the #2 engine was reduced to flight idle. Our dispatch and maintenance were contacted and the decision was made to make a precautionary landing at williamsport airport. Because of a possible engine shutdown, an emergency was declared and the equipment was requested to standby. The oil pressure remained in the yellow arc and the approach and landing were made west/O further incident.
Original NASA ASRS Text
Title: COMMUTER ACR MDT PERFORMS A PRECAUTIONARY EMERGENCY LNDG SHORT OF DESTINATION WHEN ENGINE OIL PRESSURE FALLS BELOW NORMAL.
Narrative: CRUISING AT 20000' WE GOT AN ABNORMAL OIL PRESSURE BTWN 50 AND 55 PSI. THE ABNORMAL CHKLIST FOR ABNORMAL OIL PRESSURE WAS ACCOMPLISHED AND THE PWR ON THE #2 ENG WAS REDUCED TO FLT IDLE. OUR DISPATCH AND MAINT WERE CONTACTED AND THE DECISION WAS MADE TO MAKE A PRECAUTIONARY LNDG AT WILLIAMSPORT ARPT. BECAUSE OF A POSSIBLE ENG SHUTDOWN, AN EMER WAS DECLARED AND THE EQUIP WAS REQUESTED TO STANDBY. THE OIL PRESSURE REMAINED IN THE YELLOW ARC AND THE APCH AND LNDG WERE MADE W/O FURTHER INCIDENT.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.