What was found
ORIGINAL OIL PRESSURE SWITCH HAD BEEN REPLACED PER SB SB00-79-01. THE REPLACEMENT SWITCH P/N 83278 FAILED ALLOWING ENGINE OIL TO PASS THROUGH SWITCH AND VENT OVERBOARD. NTSB ACCIDENT NUMBER IS DFW05CA219.
- Difficulty date
- August 21, 2005
- Submitted
- September 26, 2005
- Operation
- General aviation
- Aircraft
- N93AF
- Make and model
- Cessna 172R
- Aircraft serial
- 17280073
- Aircraft time
- 8,521 hours
- Engine
- Lyc IO360L2A
- System (JASC)
- 7931 · Engine Oil Pressure
- Part
- Pressure Switch
- Part number
- 83278
- Condition
- Blown
- Location
- Oil System
- Part time
- 5,321 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- K, J
- Precautionary procedure
- B
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.