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ASN Wikibase Occurrence # 173571
Last updated: 26 April 2019
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Date:01-JAN-2004
Time:09:20
Type:Silhouette image of generic P32R model; specific model in this crash may look slightly different
Piper PA-32R-300
Owner/operator:Private
Registration: N589Q
C/n / msn: 32R-7780492
Fatalities:Fatalities: 0 / Occupants: 4
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Riverside, CA -   United States of America
Phase: En route
Nature:Private
Departure airport:Oceanside, CA (OKB)
Destination airport:Big Bear, CA (L35)
Investigating agency: NTSB
Narrative:
Following a catastrophic engine failure in cruise, the airplane collided with multiple ground obstacles during a forced landing in a field. The pilot reported that while in cruise flight he first noticed a "burning smell," which was followed a short time later by a low oil pressure indication. The pilot then felt a vibration, followed by a brief engine overspeed to 3,000 rpm, and then the engine lost all power. He performed a forced landing in a field and collided with multiple ground obstacles. Post accident examination of the engine at the accident site revealed that the No. 6 connecting rod had penetrated the engine crank case. An excess of engine oil was found on the bottom of the airplane. Further examination revealed an oil filter gasket, Lycoming part number LW-13388, was extruded at the base of the filter assembly and had allowed virtually all engine oil to escape. A Lycoming Mandatory Service Bulletin MSB-543, and an emergency Airworthiness Directive (AD) 2000-18-53, that was later superceded by AD 2002-12-17, was applicable to this potential problem, and required repetitive inspections and gasket replacement or replacement of the gasket adapter plate with a different part number. The investigation could find no evidence of compliance with either AD.
Probable Cause: engine oil exhaustion due to the extrusion of an oil filter converter plate gasket and the failure of the aircraft owner to comply with a mandatory Service Bulletin and a Federal Aviation Administration emergency Airworthiness Directive.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20040106X00021&key=1


Revision history:

Date/timeContributorUpdates
04-Feb-2015 16:07 Noro Added
21-Dec-2016 19:28 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
07-Dec-2017 17:35 ASN Update Bot Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative]

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