ASN Wikibase Occurrence # 122181
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| Date: | Saturday 7 May 2011 |
| Time: | 20:08 |
| Type: |  Piper PA-46-350P Malibu Mirage |
| Owner/operator: | Christian Air Brotherhood LLC |
| Registration: | N80JB |
| MSN: | 4622156 |
| Year of manufacture: | 1994 |
| Total airframe hrs: | 2418 hours |
| Engine model: | Lycoming TIO-540-AE2A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Near Chico, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Fort Worth Alliance Airport, TX (AFW/KAFW) |
| Wichita Falls-Kickapoo Airport, TX (KIP/KCWC) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While en route to the destination airport, the pilot noted fluctuation in the engine speed. He diverted to a nearby airport and detected smoke, which increased in intensity. While performing an emergency landing to a highway, the airplane's nose landing gear would not extend. The pilot landed the airplane, which slid to a halt. A postaccident examination revealed thermal distortion to the airplane's nose gear door, which impeded normal operation of the nose landing gear. Clamps on the turbocharger's intermediate exhaust crossover tube were found to be unsecured, which would allow exhaust gases to damage the engine's accessories. The examination also found signatures of thermal distress to the fuel flow transducer and fuel flow transducer line. The unsecured clamps and heat signatures were consistent with exhaust gases compromising the fuel flow transducer line, which resulted in a source of ignition and fuel for the in-flight fire. No additional preimpact mechanical malfunctions or failures were found that would have precluded normal operation. A review of maintenance logbooks noted that a propeller strike had occurred about 3 months before the accident and that repairs were completed about 1 month later, when the engine, including the turbocharger, was removed, cleaned, and inspected. The airplane had flown about 4 hours since the repair.
Probable Cause: The mechanic's improper installation of the turbocharger's exhaust balance system, which resulted in an in-flight fire.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-May-2011 09:23 | gerard57 | Added |
| 09-May-2011 09:43 | RobertMB | Updated [Aircraft type, Registration, Cn, Operator, Location, Departure airport, Destination airport, Source, Damage] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 16:53 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
| 16-Dec-2021 13:30 | wf | Updated [Operator, Damage] |
| 16-Dec-2021 13:30 | wf | Updated [[Operator, Damage]] |
| 01-Dec-2023 07:27 | harro | Updated [Other fatalities, Departure airport, Destination airport] |
| 01-Dec-2023 07:27 | harro | Updated [Other fatalities, Destination airport] |
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