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Return land by air carrier widebody transport mandated by aircraft equipment problem malfunction. In-flight engine shutdown.
| Attributes | |
| ACN | 252264 |
| Time | |
| Date | 199309 |
| Day | Sat |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | atc facility : nrt |
| State Reference | FO |
| Altitude | msl bound lower : 31000 msl bound upper : 31000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : rjtg tower : dfw |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 4 Turbojet Eng |
| Flight Phase | cruise other other other |
| Route In Use | enroute : other oceanic enroute : pacific enroute airway : rjtg |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : commercial pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 200 flight time total : 8000 flight time type : 1000 |
| ASRS Report | 252264 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other other spatial deviation |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : declared emergency other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation |
Narrative:
At cruise (FL310) #3 engine start valve light came on. Performed precautionary engine shutdown per operations manual. Declared emergency, turned and descended to return to nrt (rjaa). Transmitted on 121.5 of situation to alert other aircraft. Received clearance to return to nrt. Dumped fuel to below maximum landing weight. Request emergency equipment to stand by for 3 engine landing. Landing uneventful.
Original NASA ASRS Text
Title: RETURN LAND BY ACR WDB MANDATED BY ACFT EQUIP PROB MALFUNCTION. INFLT ENG SHUTDOWN.
Narrative: AT CRUISE (FL310) #3 ENG START VALVE LIGHT CAME ON. PERFORMED PRECAUTIONARY ENG SHUTDOWN PER OPS MANUAL. DECLARED EMER, TURNED AND DSNDED TO RETURN TO NRT (RJAA). XMITTED ON 121.5 OF SIT TO ALERT OTHER ACFT. RECEIVED CLRNC TO RETURN TO NRT. DUMPED FUEL TO BELOW MAX LNDG WT. REQUEST EMER EQUIP TO STAND BY FOR 3 ENG LNDG. LNDG UNEVENTFUL.
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.