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A PA28-140 pilot makes an emergency downwind landing when a lean, rough running engine is created by the detachment of the exhaust pipe 3 mi from tus, az.
| Attributes | |
| ACN | 504964 |
| Time | |
| Date | 200103 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : tus.airport |
| State Reference | AZ |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : tus.tower |
| Operator | general aviation : personal |
| Make Model Name | PA-28 Cherokee/Archer II/Dakota/Pillan/Warrior |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | descent : intermediate altitude |
| Route In Use | approach : traffic pattern approach : visual arrival : vfr |
| Flight Plan | None |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial |
| Experience | flight time last 90 days : 18 flight time total : 3600 flight time type : 1000 |
| ASRS Report | 504964 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : local |
| Qualification | controller : radar |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : declared emergency flight crew : landed in emergency condition |
| Consequence | other |
| Factors | |
| Maintenance | performance deficiency : scheduled maintenance performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Aircraft Flight Crew Human Performance |
| Primary Problem | Aircraft |
Narrative:
Exhaust retainer came off allowing exhaust pipe to fall away from the cylinder head causing the mixture to burn lean. The engine ran so badly I declared an emergency and landed safety on a downwind runway. Replaced gasket and 5/16-18 nut and aircraft ran good.
Original NASA ASRS Text
Title: A PA28-140 PLT MAKES AN EMER DOWNWIND LNDG WHEN A LEAN, ROUGH RUNNING ENG IS CREATED BY THE DETACHMENT OF THE EXHAUST PIPE 3 MI FROM TUS, AZ.
Narrative: EXHAUST RETAINER CAME OFF ALLOWING EXHAUST PIPE TO FALL AWAY FROM THE CYLINDER HEAD CAUSING THE MIXTURE TO BURN LEAN. THE ENG RAN SO BADLY I DECLARED AN EMER AND LANDED SAFETY ON A DOWNWIND RWY. REPLACED GASKET AND 5/16-18 NUT AND ACFT RAN GOOD.
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.