A widebody transport aircraft shuts down its #4 engine because the oil filter light comes on steadily. Flight crew reverses course from japan to return to hnl as it is closer.

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Attributes
ACN	356207
Time
Date	199612
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : hnl
State Reference	HI
Altitude	msl bound lower : 35000 msl bound upper : 35000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zoa
Operator	common carrier : air carrier
Make Model Name	Widebody, Low Wing, 4 Turbojet Eng
Navigation In Use	Other
Flight Phase	cruise other
Route In Use	enroute : pacific
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 205 flight time total : 22000 flight time type : 205
ASRS Report	356204
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : declared emergency none taken : unable
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

At cruise FL350, #4 engine oil filter light illuminated. Intermittently at first then steadily requiring the shutdown of #4 engine. With 2500 NM to go to tokyo, and 1500 NM to hnl we elected to return to hnl. An emergency declaration was required to obtain a lower altitude en route to hnl after engine shutdown. Hnl arinc and ATC were admirable in their performance.

Original NASA ASRS Text

Title: A WDB ACFT SHUTS DOWN ITS #4 ENG BECAUSE THE OIL FILTER LIGHT COMES ON STEADILY. FLC REVERSES COURSE FROM JAPAN TO RETURN TO HNL AS IT IS CLOSER.

Narrative: AT CRUISE FL350, #4 ENG OIL FILTER LIGHT ILLUMINATED. INTERMITTENTLY AT FIRST THEN STEADILY REQUIRING THE SHUTDOWN OF #4 ENG. WITH 2500 NM TO GO TO TOKYO, AND 1500 NM TO HNL WE ELECTED TO RETURN TO HNL. AN EMER DECLARATION WAS REQUIRED TO OBTAIN A LOWER ALT ENRTE TO HNL AFTER ENG SHUTDOWN. HNL ARINC AND ATC WERE ADMIRABLE IN THEIR PERFORMANCE.

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.