Service difficulty report · None · Beech 100BEECH

Difficulty date
February 22, 2022
Submitted
February 22, 2022
Operation
General aviation
Aircraft
N71GG
Make and model
Beech 100BEECH
Aircraft serial
TE835
Engine
Cont IO520C
Engine time
550 hours
Part
None
Condition
None
Stage of operation
CR
How discovered
V
Nature of condition
P
Precautionary procedure
O, A

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

What was found

LEFT HAND ENGINE FAILURE # 2 CYC CONNECTING ROD BROKE LOOSE FROM CRANK AND PISTON CREATING A HOLE IN THE TOP OF THE CASE. CONNECTING ROD WAS FOUND LAYING ON THE #3 AND 5 CYLINDERS AND THE PISTON PIN WAS FOUND LYING FWD OF THE #1 CYLINDER. FOUND THE CONNECTING ROD CAP BROKEN IN HALF AND JUST INSIDE THE #2 CYLINDER, BOLT WAS SHEERED AND STUCK IN THE HALF SECTION THAT WE WERE ABLE TO LOCATE. BOTH MAGNETOS WERE DISLODGED FROM THEIR MOUNTS AND LYING ON THE ENGINE. ENGINE HAD 550 HOURS SINCE LAST OVERHAUL AND 24 MONTHS CALENDAR TIME SINCE LAST OVERHAUL.