Service difficulty report · Rocker · Robsin R22BETAII

Difficulty date
September 6, 2023
Submitted
September 6, 2023
Operation
General aviation
Aircraft
N3040K
Make and model
Robsin R22BETAII
Aircraft serial
4165
Aircraft time
9,694 hours
Engine
Lyc O360J2A
Engine time
9,099 hours
Part
Rocker
Part number
15F288353017F195
Part serial
NA
Condition
Damaged
Location
Valve Train
Part time
9,099 hours
Component
Engine · Lyc · O360J2A
Component part number
HENPLRT10603
Stage of operation
IN
How discovered
V
Nature of condition
P, O, O
Precautionary procedure
K, O, O, O

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

What was found

DURING ROUTINE MX LYCOMING SB388C (EXHAUST VALVE GUIDE INSPECTION) FOUND ALL LIFTERS P/N 15B26066, TAPPET SOCKETS P/N 15B21319, ROCKER ARMS P/N 17F19357, PUSH RODS P/N 15F28835-30 & PUSH RODS P/N 15F28835-29 TO HAVE MECHANICAL DAMAGE "HEAVY SCUFF - SCORING". LYCOMING FACTORY OVERHAULED ENGINE: O-360-J2A, S/N L-21893-36E