What was found
AT CRUISE ALTITUDE, AN OIL PRESSURE FLUCTUATION WAS OBSERVED ON NO.1 ENGINE INSTRUMENTS. ALSO NOTICED A SMALL OIL STREAK ON NO. 1 ENGINE COWL. DECISION WAS IMMEDIATELY MADE TO RETURN TO BASE, FOR FURTHER INVESTIGATION BY ENGINEERS.
- Difficulty date
- December 15, 2024
- Submitted
- December 20, 2024
- Operation
- General aviation
- Aircraft
- N41148
- Make and model
- Piper PA31350
- Aircraft serial
- 318352038
- Aircraft time
- 11,385 hours
- Engine
- Lyc TIO540J2B
- Engine time
- 825 hours
- Propeller
- Hartzl STCHC42X
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Crankcase
- Part number
- 11F24022S3
- Part serial
- K0870
- Condition
- Damaged
- Location
- Nr 1 Engine
- Part time
- 825 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.