ASN Wikibase Occurrence # 311902
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| Date: | Thursday 10 June 2021 |
| Time: | 11:08 LT |
| Type: |  Cessna 172S |
| Owner/operator: | Barr Air Patrol LLC |
| Registration: | N365CP |
| MSN: | 172S8838 |
| Year of manufacture: | 2001 |
| Total airframe hrs: | 12520 hours |
| Engine model: | Lycoming Engines IO-360-L2A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Saint James, Louisiana -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Survey |
| Departure airport: | Gonzales, LA (KREG) |
| Lake Charles-Chennault International Airport, LA (CWF/KCWF) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot of the low-level pipeline patrol flight reported that after about one hour into the flight, a 'very loud popâ noise emitted from behind the instrument panel followed by an unidentified high-pressure air/gas release into the cabin. After not seeing any flames, the pilot opened his window to vent the cabin and decided to conduct an off-airport emergency landing on an empty multi-lane highway. During the landing rollout, the left wing impacted a metal road sign, and the airplane came to a stop on a grass median. The airplane sustained substantial damage to the left wing. A postaccident examination of the airplane revealed that a high-pressure air conditioning hose failed and separated at a metal crimp connection at the firewall pass-through. The hose ends at the separation showed signs of age deterioration. Maintenance records revealed that the hose had been in service for about 20 years, accumulating 12,512.5 total hours. According to the air conditioning system maintenance manual, the system's components are to be inspected every 600 hours or every annual inspection, whichever comes first, and are to be cleaned or replaced as necessary.
Probable Cause: The in-flight fatigue failure of an air-conditioning system hose which resulted in a precautionary landing and impact with a road sign.
Accident investigation:
 |
|
Sources:
NTSB CEN21LA268
History of this aircraft
Other occurrences involving this aircraft
| 21 May 2020 | N365CP | Barr Air Patrol LLC | 0 | Houma, Louisiana | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-May-2023 05:30 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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