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A PA-27 engine lost power inflight. An emergency was declared; and the pilot landed at a nearby airport where the fuel pump diaphragm was found to have been damaged by an overtightened screw.
| Attributes | |
| ACN | 1251707 |
| Time | |
| Date | 201503 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | PA-23-250 Aztec |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Route In Use | Direct Visual Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Fuel Booster Pump |
| Person 1 | |
| Function | Pilot Flying |
| Qualification | Flight Crew Multiengine Flight Crew Private Flight Crew Instrument |
| Experience | Flight Crew Last 90 Days 35 Flight Crew Total 710 Flight Crew Type 150 |
| Person 2 | |
| Function | Pilot Not Flying |
| Qualification | Flight Crew Glider Flight Crew Instrument Flight Crew Multiengine Flight Crew Flight Instructor Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 25 Flight Crew Total 14000 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy |
Narrative:
Inflight left engine anomaly/power surge noted. Declared emergency and got clearance for visual approach and landing at a nearby airport. Landed without incident. Fuel pump diaphragm found to be lacerated by screw that was over tightened causing failure of engine driven fuel pump causing engine power loss. Review of logbooks does not indicate prior adjustment of fuel pump; engine was overhauled approximately 150 hours prior to failure.
Original NASA ASRS Text
Title: A PA-27 engine lost power inflight. An emergency was declared; and the pilot landed at a nearby airport where the fuel pump diaphragm was found to have been damaged by an overtightened screw.
Narrative: Inflight Left Engine Anomaly/Power Surge noted. Declared Emergency and got clearance for visual approach and Landing at a nearby airport. Landed without incident. Fuel Pump Diaphragm found to be lacerated by screw that was over tightened causing failure of engine driven fuel pump causing engine power loss. Review of logbooks does not indicate prior adjustment of fuel pump; engine was overhauled approximately 150 hours prior to failure.
Data retrieved from NASA's ASRS site 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.