What was found
THE NR 1 ENGINE OIL TEMPERATURE APPROACHED 120 DEGREES CELSIUS WHICH IS THE MAX CONTINUOUS OPERATING TEMPERATURE. THIS WAS TROUBLESHOT TO A DEFECTIVE NR 1 ENGINE OIL BYPASS VALVE.
- Difficulty date
- May 26, 2020
- Submitted
- May 26, 2020
- Operation
- Air carrier
- Aircraft
- N135BU
- Make and model
- Urocop EC135P1
- Aircraft serial
- 0015
- Aircraft time
- 10,651 hours, 32,704 cycles
- Engine
- Pwa PW206B
- System (JASC)
- 7922 · Engine Oil Temperature Regulator
- Part
- Bypass Valve
- Part number
- L792M2002103
- Part serial
- 31721
- Condition
- Defective
- Location
- Nr 1 Engine
- Part time
- 2,001 hours, 5,379 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- M
- Precautionary procedure
- E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.