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20041030032439I

Incident · Substantial damage
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FAA incident report · Bolkms BO-105S · Cameron, LA · October 30, 2004

FAA Aviation Safety Information Portal

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Date
October 30, 2004 · 07:45 local
Place
Cameron, LA
Phase of flight
Normal Cruise
Operating rules
Air taxi and commuter (Part 135)
Operator
HEEA
Damage
Substantial damage
Aircraft
N7136H
Reported as
Bolkms BO105S
Reported engine
Allison 250C20B
People aboard
1
Fatal injuries
0
N7136HRegistration cancelled Sep 14, 2005 · Messerschmitt-Boelkow-Blohm BO-105SS/N S-833 · Built 1990Airframe modelMesserschmitt-Boelkow-Blohm BO-105SEngine modelAllison 250-C20 seriesTurbo-prop

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

(-23) The no. 1 engine failed in flight. The pilot executed a single engine run-on landing in an open field without incident. Approximately 10 seconds after landing, the pilot reported that he saw smoke coming from the no. 1 engine compartment. The pilot immediately shut down the operating engine and attempted to extinguish the fire with the aircraft portable fire extinguisher. The pilot was able to extinguish the fire with the aid of two persons on the ground also equipped with portable fire extinguishers. Examination of the aircraft revealed that the no. 1 engine oil reservoir was empty and a large amount of oil was evident inside the no. 1 engine compartment and on the left side of the transmission assembly. The tear down analysis of the engine indicated that the engine failed due to oil starvation. The absolute source of the oil leak could not be determined because of the fire damage. An aluminum alloy elbow fitting in the oil system vent line appeared to be fractured and is a possible source of the oil leak. The fitting was sent to a metallurgist for analysis.

As the FAA filed it

(-23) THE NO. 1 ENGINE FAILED IN FLIGHT. THE PILOT EXECUTED A SINGLE ENGINE RUN-ON LANDING IN AN OPEN FIELD WITHOUT INCIDENT. APPROXIMATELY 10 SECONDS AFTER LANDING, THE PILOT REPORTED THAT HE SAW SMOKE COMING FROM THE NO. 1 ENGINE COMPARTMENT. THE PILOT IMMEDIATELY SHUT DOWN THE OPERATING ENGINE AND ATTEMPTED TO EXTINGUISH THE FIRE WITH THE AIRCRAFT PORTABLE FIRE EXTINGUISHER. THE PILOT WAS ABLE TO EXTINGUISH THE FIRE WITH THE AID OF TWO PERSONS ON THE GROUND ALSO EQUIPPED WITH PORTABLE FIRE EXTINGUISHERS. EXAMINATION OF THE AIRCRAFT REVEALED THAT THE NO. 1 ENGINE OIL RESERVOIR WAS EMPTY AND A LARGE AMOUNT OF OIL WAS EVIDENT INSIDE THE NO. 1 ENGINE COMPARTMENT AND ON THE LEFT SIDE OF THE TRANSMISSION ASSEMBLY. THE TEAR DOWN ANALYSIS OF THE ENGINE INDICATED THAT THE ENGINE FAILED DUE TO OIL STARVATION. THE ABSOLUTE SOURCE OF THE OIL LEAK COULD NOT BE DETERMINED BECAUSE OF THE FIRE DAMAGE. AN ALUMINUM ALLOY ELBOW FITTING IN THE OIL SYSTEM VENT LINE APPEARED TO BE FRACTURED AND IS A POSSIBLE SOURCE OF THE OIL LEAK. THE FITTING WAS SENT TO A METALLURGIST FOR ANALYSIS.