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An emb 120, during taxi to the runway, made an immediate return due to engine low oil pressure warning. Caused by oil filler cap not installed.
| Attributes | |
| ACN | 527069 |
| Time | |
| Date | 200110 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Brasilia EMB-120 All Series |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance ground : preflight ground : taxi |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : multi engine pilot : cfi |
| Experience | flight time last 90 days : 60 flight time total : 2700 flight time type : 60 |
| ASRS Report | 527069 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Independent Detector | aircraft equipment other aircraft equipment : low oil press warning other flight crewa other flight crewb |
| Resolutory Action | other |
| Consequence | other other |
| Factors | |
| Maintenance | performance deficiency : installation performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
After first officer completed preflight, maintenance performed oil check and left the oil cap off of engine. During taxi out oil pressure red warning illuminated and was followed by aural warning and drop of pressure to zero. Captain shut engine down, first officer ran checklist. Consulted with maintenance control, taxied to ramp single engine. Maintenance tech admitted later he forgot to put cap back on after oil check. Crew swapped aircraft and continued to destination without further incident.
Original NASA ASRS Text
Title: AN EMB 120, DURING TAXI TO THE RWY, MADE AN IMMEDIATE RETURN DUE TO ENG LOW OIL PRESSURE WARNING. CAUSED BY OIL FILLER CAP NOT INSTALLED.
Narrative: AFTER FIRST OFFICER COMPLETED PREFLT, MAINT PERFORMED OIL CHECK AND LEFT THE OIL CAP OFF OF ENG. DURING TAXI OUT OIL PRESSURE RED WARNING ILLUMINATED AND WAS FOLLOWED BY AURAL WARNING AND DROP OF PRESSURE TO ZERO. CAPT SHUT ENG DOWN, FIRST OFFICER RAN CHECKLIST. CONSULTED WITH MAINT CONTROL, TAXIED TO RAMP SINGLE ENG. MAINT TECH ADMITTED LATER HE FORGOT TO PUT CAP BACK ON AFTER OIL CHECK. CREW SWAPPED ACFT AND CONTINUED TO DEST WITHOUT FURTHER INCIDENT.
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.