SDR 99ZZZX2286

Service difficulty report · Valve · Piper PA22150

Difficulty date: May 1, 1999
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N7449D
Make and model: Piper PA22150
Aircraft serial: 225214
Engine: Lyc O320A1A
System (JASC): 8530 · Reciprocating Engine Cylinder Section
Part: Valve
Part number: 74541
Condition: Failed
Location: Exhaust
Part time: 802 hours
Stage of operation: IN
Nature of condition: O
Precautionary procedure: K

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

What was found

EXHAUST VALVE NR 3 CYLINDER BROKE AT STEM CLOSE TO FACE OF VALVE. COMPLETE HEAD OF VALVE GONE, NOT FOUND. CAUSE UNKNOWN. NOTE: LOG SHOWS PART AS NR 74541. PART NUMBER ON VALVE STEM IS SL 74541 G 58. ALSO, NR 3 CYLINDER WAS OVERHAULED BY CRS 202-87, W.O. NR 11840, BUT NO ENTRY OF VALVE CHANGE, ALSO, DONE 357 HOURS AGO.

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