ASN Wikibase Occurrence # 278028
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| Date: | Tuesday 10 May 2022 |
| Time: | 16:26 LT |
| Type: |  Cessna 172S Skyhawk SP |
| Owner/operator: | Northwestern Michigan College |
| Registration: | N184NW |
| MSN: | 172S11085 |
| Year of manufacture: | 2010 |
| Total airframe hrs: | 6589 hours |
| Engine model: | Lycoming IO-360-L2A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Traverse City, MI -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Gaylord-Otsego County Airport, MI (GLR/KGLR) |
| Traverse City, MI | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot receiving instruction was on a visual approach to the runway during an instructional flight, at which time the engine lost total power. The flight instructor took control of the airplane and made multiple attempts to restart the engine, which were unsuccessful. The flight instructor declared an emergency and executed a forced landing to a park area about 1 mile north of the runway. During the forced landing, the airplane impacted terrain and a perimeter fence.
Postaccident examination of the airplane revealed substantial damage to the right wing and engine mount. Examination of the engine and fuel system revealed a loose “B' nut fitting on the fuel line between the fuel injector and fuel manifold. The engine had recently been installed by maintenance personnel; the airplane had flown about 2.7 hours after the installation and before the accident. There was no visible impact damage to the “B' nut on the line or the fitting. Given this evidence, the “B' nut on the fuel line was likely not properly tightened during engine installation, which allowed the nut to loosen with normal engine vibration and allowed air to enter the system which resulted in total loss of engine power.
Probable Cause: The failure of maintenance personnel to properly torque a fuel line “B' nut, which resulted in a total loss of engine power.
Accident investigation:
 |
|
Sources:
NTSB CEN22LA194
https://flightaware.com/live/flight/N184NW/history/20220510/2015Z/KPLN/KTVC
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-May-2022 02:18 | Geno | Added |
| 11-May-2022 04:31 | RobertMB | Updated [Aircraft type, Registration, Cn, Total occupants, Location, Phase, Nature, Departure airport, Source, Damage, Narrative] |
| 11-May-2022 04:40 | RobertMB | Updated [Aircraft type, Narrative] |
| 11-May-2022 04:40 | RobertMB | Updated [[Aircraft type, Narrative]] |
| 30-Jun-2022 03:20 | Captain Adam | Updated [Time, Location, Source, Narrative, Category] |
| 19-Aug-2023 08:24 | ASN Update Bot | Updated [[Time, Location, Source, Narrative, Category]] |
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