SDR 96ZZZX1134

Service difficulty report · Rib · Cessna 441

Difficulty date: February 13, 1996
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N171SP
Make and model: Cessna 441
Aircraft serial: 4410326
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Rib
Part number: 57222061
Condition: Cracked
Location: Lt Wing Canted
Part time: 2,430 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

WHILE DOING A PHASE INSPECTION, FOUND A CRACK IN THE LT WING CANTED RIB, PN 5722206-1. CRACK EXTENDS FROM THE AFT SIDE OF THE FORWARD SPAR, REARWARD ALONG THE BEND RADIUS, 1.0 INCH. CESSNAS' REPAIR IS TO STOP-DRILL THE ENDS OF THE CRACK AND REINSPECT EACH 200 HOURS.

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