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Large transport crew experienced engine oil loss and is required to reduce thrust and then shut down #3 engine. Captain is forced to declare an emergency in order to get a descent clearance.
| Attributes | |
| ACN | 409217 |
| Time | |
| Date | 199807 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : hou |
| State Reference | TX |
| Altitude | msl bound lower : 31000 msl bound upper : 31000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zhu |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | cruise other |
| Route In Use | enroute : other oceanic |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 100 flight time total : 5500 flight time type : 2000 |
| ASRS Report | 409217 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | other other : other pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 3200 flight time type : 1000 |
| ASRS Report | 409418 |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : overcame equipment problem flight crew : declared emergency other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
Loss of oil quantity. Notified ny commercial radio of possible engine shutdown and need of descent to lower altitude. Told to stand by. Oil quantity continued to decrease, power reduced, airspeed decrease requiring a descent. Told ny commercial radio that I was leaving FL310. During the descent I was in ZHU range, clearance received, aircraft landed normally. Incident happened on flight from mmcz to iah -- kehli intersection. Supplemental information from acn 409418: passing kehli on us 766, loss oil quantity on #3 engine. Notified ny on probable engine shutdown, and the need to descend. Instructed to stand by. Oil quantity decreased further and engine shut down. Ny notified not able to maintain FL310. We began a descent to FL220. ZHU notified during descent and cleared us to iah direct. Aircraft landed without incident. Engine at time of landing still produced oil pressure. Note: flight was mmcz to iah en route us 766.
Original NASA ASRS Text
Title: LGT CREW EXPERIENCED ENG OIL LOSS AND IS REQUIRED TO REDUCE THRUST AND THEN SHUT DOWN #3 ENG. CAPT IS FORCED TO DECLARE AN EMER IN ORDER TO GET A DSCNT CLRNC.
Narrative: LOSS OF OIL QUANTITY. NOTIFIED NY COMMERCIAL RADIO OF POSSIBLE ENG SHUTDOWN AND NEED OF DSCNT TO LOWER ALT. TOLD TO STAND BY. OIL QUANTITY CONTINUED TO DECREASE, PWR REDUCED, AIRSPD DECREASE REQUIRING A DSCNT. TOLD NY COMMERCIAL RADIO THAT I WAS LEAVING FL310. DURING THE DSCNT I WAS IN ZHU RANGE, CLRNC RECEIVED, ACFT LANDED NORMALLY. INCIDENT HAPPENED ON FLT FROM MMCZ TO IAH -- KEHLI INTXN. SUPPLEMENTAL INFO FROM ACN 409418: PASSING KEHLI ON US 766, LOSS OIL QUANTITY ON #3 ENG. NOTIFIED NY ON PROBABLE ENG SHUTDOWN, AND THE NEED TO DSND. INSTRUCTED TO STAND BY. OIL QUANTITY DECREASED FURTHER AND ENG SHUT DOWN. NY NOTIFIED NOT ABLE TO MAINTAIN FL310. WE BEGAN A DSCNT TO FL220. ZHU NOTIFIED DURING DSCNT AND CLRED US TO IAH DIRECT. ACFT LANDED WITHOUT INCIDENT. ENG AT TIME OF LNDG STILL PRODUCED OIL PRESSURE. NOTE: FLT WAS MMCZ TO IAH ENRTE US 766.
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.