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An oil engine cap left unsecured caused aircraft to return land. The reporter, the last aircraft service person for the aircraft, is suspected of neglecting to assure cap security.
| Attributes | |
| ACN | 292148 |
| Time | |
| Date | 199412 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : ewr |
| State Reference | NJ |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : initial other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Qualification | other other : other |
| ASRS Report | 292148 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | other personnel other oversight : supervisor |
| Qualification | other other : other |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other other : unspecified |
| Resolutory Action | none taken : detected after the fact other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
On the forementioned date, I proceeded to work on the assigned aircraft. I performed a regular aircraft servicing, as I have done numerous times before. The service was performed about XC00 am to XD00 am on sun morning, during rainy WX. Being the last assignment for my shift, after it was completed, I proceeded to go home. Upon my return to work, the following tue, I was informed that an oil cap was left unsecured, which resulted in the forced return of the aircraft to ewr. According to the maintenance logbooks, it was determined that I was the last person to work on the aircraft. I have no knowledge or recollection of neglecting to replace the oil cap, and have never committed a similar incident in my 6 yrs with the airlines or my previous 4 yrs experience. If I was involved with the return of the aircraft, it was completely unintentional.
Original NASA ASRS Text
Title: AN OIL ENG CAP LEFT UNSECURED CAUSED ACFT TO RETURN LAND. THE RPTR, THE LAST ACFT SVC PERSON FOR THE ACFT, IS SUSPECTED OF NEGLECTING TO ASSURE CAP SECURITY.
Narrative: ON THE FOREMENTIONED DATE, I PROCEEDED TO WORK ON THE ASSIGNED ACFT. I PERFORMED A REGULAR ACFT SVCING, AS I HAVE DONE NUMEROUS TIMES BEFORE. THE SVC WAS PERFORMED ABOUT XC00 AM TO XD00 AM ON SUN MORNING, DURING RAINY WX. BEING THE LAST ASSIGNMENT FOR MY SHIFT, AFTER IT WAS COMPLETED, I PROCEEDED TO GO HOME. UPON MY RETURN TO WORK, THE FOLLOWING TUE, I WAS INFORMED THAT AN OIL CAP WAS LEFT UNSECURED, WHICH RESULTED IN THE FORCED RETURN OF THE ACFT TO EWR. ACCORDING TO THE MAINT LOGBOOKS, IT WAS DETERMINED THAT I WAS THE LAST PERSON TO WORK ON THE ACFT. I HAVE NO KNOWLEDGE OR RECOLLECTION OF NEGLECTING TO REPLACE THE OIL CAP, AND HAVE NEVER COMMITTED A SIMILAR INCIDENT IN MY 6 YRS WITH THE AIRLINES OR MY PREVIOUS 4 YRS EXPERIENCE. IF I WAS INVOLVED WITH THE RETURN OF THE ACFT, IT WAS COMPLETELY UNINTENTIONAL.
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.