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MD80 oil filter bypass light came on. Flight crew declared emergency and returned to departure airport with engine at idle thrust.
| Attributes | |
| ACN | 588002 |
| Time | |
| Date | 200307 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 33000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | MD-83 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 588002 |
| Person 2 | |
| Affiliation | company : air carrier Other |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : declared emergency flight crew : landed as precaution |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
Made a normal standard thrust takeoff with all engine indications normal. Upon reaching FL330, the right oil strainer clogging light illuminated. Thrust was reduced to idle and the light remained on. Declared an emergency and returned to ZZZ with the right engine at idle thrust. Made an uneventful landing on runway and then shut down the right engine. Remained on the runway while emergency crew checked the exterior of the aircraft finding only some type of black soot toward the rear of the engine. Continued to the ramp and shut down the aircraft completely per request of maintenance. No passenger or crew were injured.
Original NASA ASRS Text
Title: MD80 OIL FILTER BYPASS LIGHT CAME ON. FLT CREW DECLARED EMER AND RETURNED TO DEP ARPT WITH ENG AT IDLE THRUST.
Narrative: MADE A NORMAL STANDARD THRUST TKOF WITH ALL ENG INDICATIONS NORMAL. UPON REACHING FL330, THE R OIL STRAINER CLOGGING LIGHT ILLUMINATED. THRUST WAS REDUCED TO IDLE AND THE LIGHT REMAINED ON. DECLARED AN EMER AND RETURNED TO ZZZ WITH THE R ENG AT IDLE THRUST. MADE AN UNEVENTFUL LNDG ON RWY AND THEN SHUT DOWN THE R ENG. REMAINED ON THE RWY WHILE EMER CREW CHKED THE EXTERIOR OF THE ACFT FINDING ONLY SOME TYPE OF BLACK SOOT TOWARD THE REAR OF THE ENG. CONTINUED TO THE RAMP AND SHUT DOWN THE ACFT COMPLETELY PER REQUEST OF MAINT. NO PAX OR CREW WERE INJURED.
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.