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A B737-200 on taxi out for takeoff lost #2 engine oil due to the oil tank filler cap not having been secured.
| Attributes | |
| ACN | 379819 |
| Time | |
| Date | 199709 |
| Day | Sat |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : zzz |
| State Reference | US |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Qualification | other other : other |
| ASRS Report | 379819 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : ground |
| Qualification | controller : non radar |
| Events | |
| Anomaly | aircraft equipment problem : critical non adherence : far non adherence : published procedure other anomaly other |
| Independent Detector | other other : unspecified |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
On sep/xa/97 at ZA30, I was given paperwork for a B-1 check on aircraft on #2 engine. I changed the oil filter, svced the CSD and also changed the fuel filter due to a maintenance callout. At approximately ZB20 the #2 engine was motored to check for leaks. No leaks were found. I then svced the oil supply after the engine was motored. The engine cowling was opened when I svced the oil. After servicing the oil, I do not remember putting the oil cap back on. At no time was I rushed to complete the job, because I had ample time to complete the task. I just recently xferred to ZZZ from xyz jul/xx/97. I worked 10 months at the terminal on dayshift at xyz, so I am very familiar on servicing the engine oil. When I returned the next evening I was informed that the aircraft on taxi out for takeoff, was informed by the tower and other aircraft that smoke was coming from #2 engine. The oil level decreased from 4.0 to 1.0 and the oil cap was found in the engine cowling.
Original NASA ASRS Text
Title: A B737-200 ON TAXI OUT FOR TKOF LOST #2 ENG OIL DUE TO THE OIL TANK FILLER CAP NOT HAVING BEEN SECURED.
Narrative: ON SEP/XA/97 AT ZA30, I WAS GIVEN PAPERWORK FOR A B-1 CHK ON ACFT ON #2 ENG. I CHANGED THE OIL FILTER, SVCED THE CSD AND ALSO CHANGED THE FUEL FILTER DUE TO A MAINT CALLOUT. AT APPROX ZB20 THE #2 ENG WAS MOTORED TO CHK FOR LEAKS. NO LEAKS WERE FOUND. I THEN SVCED THE OIL SUPPLY AFTER THE ENG WAS MOTORED. THE ENG COWLING WAS OPENED WHEN I SVCED THE OIL. AFTER SVCING THE OIL, I DO NOT REMEMBER PUTTING THE OIL CAP BACK ON. AT NO TIME WAS I RUSHED TO COMPLETE THE JOB, BECAUSE I HAD AMPLE TIME TO COMPLETE THE TASK. I JUST RECENTLY XFERRED TO ZZZ FROM XYZ JUL/XX/97. I WORKED 10 MONTHS AT THE TERMINAL ON DAYSHIFT AT XYZ, SO I AM VERY FAMILIAR ON SVCING THE ENG OIL. WHEN I RETURNED THE NEXT EVENING I WAS INFORMED THAT THE ACFT ON TAXI OUT FOR TKOF, WAS INFORMED BY THE TWR AND OTHER ACFT THAT SMOKE WAS COMING FROM #2 ENG. THE OIL LEVEL DECREASED FROM 4.0 TO 1.0 AND THE OIL CAP WAS FOUND IN THE ENG COWLING.
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.