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A captain reports an A320 with a history of high oil consumption on the #1 engine. During a post flight walk-around shortly after shut-down; he observed pool of fresh oil near the rear section of the engine and oil dripping from the bottom of the rear cowling. Engine change was required. Pilot concerned about multiple dispatches by maintenance of an aircraft with known oil leak.
| Attributes | |
| ACN | 905263 |
| Time | |
| Date | 201008 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Turbine Assembly |
| Person 1 | |
| Function | Pilot Flying Captain Technician |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 256 Flight Crew Total 13878 Flight Crew Type 3254 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy |
Narrative:
Aircraft had a history of high oil consumption since august 2010 (or earlier). Special care was given to engine #1 on walk-around and when observed shortly after shut-down (approximately ten minutes) engine #1 had a pool of fresh oil near the rear section of the engine with fresh oil observed dripping from the bottom of the rear cowling. Maintenance control contacted and mechanic did inspection of leak area. It was determined by maintenance control an engine change was required. Report filed because of multiple inspections of engine prior to this walkaround failed to notice any obvious leaking engine section. While the engines do not normally leak from the rear areas....an inspection by company maintenance should have identified leak prior to multiple dispatches. Obviously the continued servicing of the engine with large quantities of oil was another indicator of a problem and should have flagged the issue long before this event.
Original NASA ASRS Text
Title: A Captain reports an A320 with a history of high oil consumption on the #1 engine. During a post flight walk-around shortly after shut-down; he observed pool of fresh oil near the rear section of the engine and oil dripping from the bottom of the rear cowling. Engine change was required. Pilot concerned about multiple dispatches by maintenance of an aircraft with known oil leak.
Narrative: Aircraft had a history of high oil consumption since August 2010 (or earlier). Special care was given to engine #1 on walk-around and when observed shortly after shut-down (approximately ten minutes) engine #1 had a pool of fresh oil near the rear section of the engine with fresh oil observed dripping from the bottom of the rear cowling. Maintenance Control contacted and Mechanic did inspection of leak area. It was determined by Maintenance Control an engine change was required. Report filed because of multiple Inspections of engine prior to this walkaround failed to notice any obvious leaking engine section. While the engines do not normally leak from the rear areas....an inspection by company maintenance should have identified leak prior to multiple dispatches. Obviously the continued servicing of the engine with large quantities of oil was another indicator of a problem and should have flagged the issue long before this event.
Data retrieved from NASA's ASRS site as of April 2012 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.