Service difficulty report · Stud

Difficulty date
September 15, 2014
Submitted
September 15, 2014
Operation
General aviation
Engine
Lyc O320H2AD
Engine time
2,426 hours
Part
Stud
Part number
3116
Condition
Backed Out
Location
Nr 1 Cylinder
Part time
2,426 hours
Stage of operation
CL
How discovered
O
Nature of condition
R, E
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ENGINE NR 1 CYLINDER EXHAUST ROCKER ARM RETAINER STUD BACKED OUT, LOOSENED, THE CYLINDER HEAD CAUSING THE EXHAUST VALVE TO NOT OPEN.