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Two mechanics report how the N-1 compressor did not release at the stator outer case during teardown of a pw-4000 engine; causing damage to the N-1 flange.
| Attributes | |
| ACN | 826279 |
| Time | |
| Date | 200903 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Compressor |
| Person 1 | |
| Function | Technician |
| Person 2 | |
| Function | Technician |
| Events | |
| Anomaly | Deviation - Procedural Maintenance |
Narrative:
Followed work order till item 5. Turned jackscrews. N1 comparator did not release at stator case outer; instead the fixture deformed the flange of the N1 as it came forward.
Original NASA ASRS Text
Title: Two mechanics report how the N-1 compressor did not release at the stator outer case during teardown of a PW-4000 engine; causing damage to the N-1 flange.
Narrative: Followed work order till item 5. Turned jackscrews. N1 comparator did not release at stator case outer; instead the fixture deformed the flange of the N1 as it came forward.
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.