What was found
WHILE PERFORMING LYCOMING MANDATORY SB NR 518A, FOUND THERMOSTATIC BYPASS VALVE CRIMP NUT VERY LOOSE. SUBMITTER STATES 3 OF 4 VALVES CHECKED WERE BAD.
- Difficulty date
- March 16, 1995
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N4093W
- Make and model
- Piper PA31350
- Aircraft serial
- 318152176
- System (JASC)
- 7922 · Engine Oil Temperature Regulator
- Part
- Valve
- Part number
- 53E19600
- Condition
- Crimp Nut Loose
- Location
- Thermo Bypass
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.