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An aircraft maintenance technician (amt) reports finding a dented exhaust duct on a piper PA28-140 aircraft during a 100-hour inspection. His concerns about the unairworthy duct per the piper cherokee service manual were ignored by an inspection authorized (ia) inspector. The exhaust duct failed shortly after takeoff; causing smoke and fumes in the cockpit; resulting in an in-flight emergency.
| Attributes | |
| ACN | 1314314 |
| Time | |
| Date | 201507 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Dusk |
| Aircraft 1 | |
| Make Model Name | PA-28 Cherokee/Archer/Dakota/Pillan/Warrior |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Climb |
| Component | |
| Aircraft Component | Exhaust Pipe |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Powerplant Maintenance Airframe |
| Experience | Maintenance Technician 1 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural FAR Deviation - Procedural Published Material / Policy Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor Inflight Event / Encounter Other / Unknown |
Narrative:
I performed a 100-hour inspection on a piper PA28-140 aircraft. I found the exhaust system to be in an unairworthy condition. Inspection authorized (ia) technician chose to ignore my findings and signed the aircraft as airworthy.the exhaust had a dent in a pipe that was deemed unairworthy according to piper cherokee service manual. This ultimately led to the failure of the exhaust system; resulting in an in-flight emergency.
Original NASA ASRS Text
Title: An Aircraft Maintenance Technician (AMT) reports finding a dented exhaust duct on a Piper PA28-140 aircraft during a 100-hour inspection. His concerns about the unairworthy duct per the Piper Cherokee service manual were ignored by an Inspection Authorized (IA) Inspector. The Exhaust duct failed shortly after takeoff; causing smoke and fumes in the cockpit; resulting in an in-flight emergency.
Narrative: I performed a 100-hour inspection on a Piper PA28-140 aircraft. I found the exhaust system to be in an unairworthy condition. Inspection Authorized (IA) Technician chose to ignore my findings and signed the aircraft as Airworthy.The exhaust had a dent in a pipe that was deemed unairworthy according to Piper Cherokee service manual. This ultimately led to the failure of the exhaust system; resulting in an in-flight Emergency.
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.