ASN Wikibase Occurrence # 296602
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| Date: | Saturday 21 September 2002 |
| Time: | 13:50 LT |
| Type: |  Cessna 172RG |
| Owner/operator: | Air Charter Express, Inc. |
| Registration: | N6303V |
| MSN: | 172RG0615 |
| Year of manufacture: | 1980 |
| Total airframe hrs: | 3900 hours |
| Engine model: | Lycoming O-360-FIA6 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | DEL MAR, California -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Carlsbad-McClellan-Palomar Airport, CA (CLD/KCRQ) |
| San Diego-Montgomery-Gibbs Executive Airport, CA (MYF/KMYF) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane made an off airport forced landing following a loss of engine power. The pilot reported that approximately 20 minutes after takeoff, the engine stopped, and he made a forced landing in a dirt field. During the landing roll, the nose wheel fell into a culvert, which resulted in substantial damage to airframe structural members. The previous night, another pilot reported an "rpm bump" to maintenance personnel. They discovered a leak in the oil cooler return line and it was repaired. It was later determined that the rpm topped out at over 3,000 rpm, which requires engine disassembly and inspection in accordance with the applicable overhaul manual by Textron Lycoming Service Bulletin (SB) 3691. The SB defines an overspeed as an increase of no more than 10 percent of rated engine rpm for a period not exceeding 3 seconds. In Chart 11 of SB 3691, the engine overspeed described was greater than 10 percent, which requires engine disassembly and inspection in accordance with the applicable overhaul manual. The maximum rated speed on the engine was 2,970 rpm. The rod cap separated from the rod on the number 3 cylinder. Pieces of metal were throughout the interior of the engine.
Probable Cause: The loss of engine power due to failure of the number three connecting rod cap. Also causal was the failure of the pilot of a previous flight to report an engine overspeed event precluding the performance of the appropriate maintenance inspection.
Accident investigation:
 |
|
Sources:
NTSB LAX02LA292
History of this aircraft
Other occurrences involving this aircraft
| 21 March 2022 | C-GOFD | Brantford Flying Club | 1 | near Brantford Municipal Airport (CYFD), Brantford, ON |  |
w/o |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Oct-2022 08:34 | ASN Update Bot | Added |
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