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20080630839849A

Accident · Substantial damage
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FAA accident report · Cessna 172M · Oakland, CA · June 30, 2008

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Date
June 30, 2008 · 13:20 local
Place
Oakland, CA
Phase of flight
Fcd/Prec Ldg From Cruise
Operating rules
General operating rules (Part 91)
Damage
Substantial damage
Aircraft
N61763
Reported as
Cessna 172M
Reported engine
Lycoming O320*
People aboard
1
Fatal injuries
0
Pilot’s flight hours
9,330 total770 in this make and model311 in the last 90 days
N61763Registered now · Cessna 172MS/N 17264784 · Built 1975Airframe modelCessna 172MEngine modelLycoming 0-320 seriesReciprocating

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 aircraft lost all of the engine oil and ceased during flight. The oil pressure drop was brought to the attention of the pilot by the non-pilot onboard 30 minutes prior to engine stoppage. Pilot responded that it was an old plane and that the gauges sometimes are a little off or don't work quite right. The mechanic stated he installed a new vacuum pump provided by flying viking inc the owner before this flight. He stated he tightened all the bolts and torqued them except one nut on the bottom of the pump he could not reach. He stated he used a screwdriver and hammer to tighten the nut. The engine oil was lost at the vacuum pump seal indicated by the fresh oil.

As the FAA filed it

(-23) THE AIRCRAFT LOST ALL OF THE ENGINE OIL AND CEASED DURING FLIGHT. THE OIL PRESSURE DROP WAS BROUGHT TO THE ATTENTION OF THE PILOT BY THE NON-PILOT ONBOARD 30 MINUTES PRIOR TO ENGINE STOPPAGE. PILOT RESPONDED THAT IT WAS AN OLD PLANE AND THAT THE GAUGES SOMETIMES ARE A LITTLE OFF OR DON'T WORK QUITE RIGHT. THE MECHANIC STATED HE INSTALLED A NEW VACUUM PUMP PROVIDED BY FLYING VIKING INC THE OWNER BEFORE THIS FLIGHT. HE STATED HE TIGHTENED ALL THE BOLTS AND TORQUED THEM EXCEPT ONE NUT ON THE BOTTOM OF THE PUMP HE COULD NOT REACH. HE STATED HE USED A SCREWDRIVER AND HAMMER TO TIGHTEN THE NUT. THE ENGINE OIL WAS LOST AT THE VACUUM PUMP SEAL INDICATED BY THE FRESH OIL.