SDR 99ZZZX375

Service difficulty report · Shaft · Cessna 172RG

Difficulty date: January 8, 1998
Submitted: March 26, 2000
Operation: General aviation
Filed by: BNZR547C
Flight Services
Aircraft: N9988B
Make and model: Cessna 172RG
Aircraft serial: 172RG1108
Engine: Lyc O360F1A6
System (JASC): 8530 · Reciprocating Engine Cylinder Section
Part: Shaft
Condition: Wrong Part
Location: Engine
Stage of operation: IN
Nature of condition: W
Precautionary procedure: K

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

What was found

FOUND ENGINE OVERHAULED WITH INCORRECT ROCKER SHAFTS INSTALLED ON ALL CYLINDERS. NOTICED SHAFTS WERE DAMAGING ROCKER COVERS. UPON FURTHER INSPECTION, DETERMINED THE ROCKER SHAFTS WERE NOT THE CORRECT PART NUMBER, WERE TOO LONG, AND DID NOT CONTAIN THE PLASTIC END CAPS. ENGINE HAS 1,174.3 TSMOH HOURS.

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