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A BAE146 during a #1 engine change was found to have the aft engine mount bushing installed incorrectly. Engine mount installed by a contract maintenance facility.
| Attributes | |
| ACN | 563810 |
| Time | |
| Date | 200210 |
| Day | Mon |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | BAe 146-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : inspector |
| Qualification | technician : airframe technician : powerplant |
| ASRS Report | 563810 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : published procedure non adherence : far |
| Independent Detector | other other : person 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : scheduled maintenance performance deficiency : installation performance deficiency : logbook entry performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Aircraft Company Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
During scheduled #1 engine change, found rear motor mount fork, upper attachment top hat bushings found installed backwards. Motor was previously installed at one of company X's contract agencies. Rear fork and bushings were removed and replaced. Problem was lack of supervision and experience at contract agencies.
Original NASA ASRS Text
Title: A BAE146 DURING A #1 ENG CHANGE WAS FOUND TO HAVE THE AFT ENG MOUNT BUSHING INSTALLED INCORRECTLY. ENG MOUNT INSTALLED BY A CONTRACT MAINT FACILITY.
Narrative: DURING SCHEDULED #1 ENG CHANGE, FOUND REAR MOTOR MOUNT FORK, UPPER ATTACHMENT TOP HAT BUSHINGS FOUND INSTALLED BACKWARDS. MOTOR WAS PREVIOUSLY INSTALLED AT ONE OF COMPANY X'S CONTRACT AGENCIES. REAR FORK AND BUSHINGS WERE REMOVED AND REPLACED. PROB WAS LACK OF SUPERVISION AND EXPERIENCE AT CONTRACT AGENCIES.
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.