SDR 96ZZZX6020

Service difficulty report · Piston · Piper PA60601P

Difficulty date: November 20, 1996
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N771LB
Make and model: Piper PA60601P
Aircraft serial: 61P059979632
Engine: Lyc IO540S1A5
System (JASC): 8530 · Reciprocating Engine Cylinder Section
Part: Piston
Condition: Hole In Side
Location: Nr 2 Cyl
Stage of operation: NR
Nature of condition: K
Precautionary procedure: E, A

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

What was found

DURING TEST FLIGHT, A LARGE STREAM OF OIL, FROM OIL DOOR OF RIGHT ENGINE WAS NOTICED. SUBSEQUENTLY, ENGINE SHUT DOWN WAS PERFORMED AND AN UNEVENTFUL LANDING WAS MADE. TROUBLESHOOTING REVEALED A DIME SIZE HOLE IN NR 2 CYLINDER PISTON AND SIGNS OF SEVER DETONATION. CAUSE UNKNOWN. ENGINE WAS REMOVED FOR REPAIR/OVERHAUL.

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