SDR T72A20190411001

Service difficulty report · Crankshaft · Piper PA32300

Difficulty date: April 11, 2019
Submitted: May 16, 2019
Operation: Air carrier
Aircraft: N4466T
Make and model: Piper PA32300
Aircraft serial: 327240067
Aircraft time: 19,994 hours
Engine: Lyc IO540K1A5
Engine time: 17 hours
Propeller: Hartzl HCC3YR
System (JASC): 8520 · Reciprocating Engine Power Section
Part: Crankshaft
Condition: Broken
Location: Engine
Stage of operation: CR
How discovered: O
Nature of condition: Y
Precautionary procedure: A

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

What was found

PILOT REPORTED, ENGINE MADE A LOUD NOISE THEN LOST POWER AND STOPPED TURNING. AIRCRAFT WAS FORCED TO MAKE A LANDING IN SEMI-FROZEN TUNDRA AND FOLDED THE NOSE GEAR, FOLDED RIGHT HAND MAIN LANDING GEAR, AND BROKE LEFT HAND MAIN LANDING GEAR AXLE. ENGINE TEAR DOWN INSPECTION SHOWED THAT THE CRANKSHAFT HAD BROKE AT NUMBER THREE MAIN BEARING JOURNAL.

More about the Piper PA-32-300