SDR OMKR200600001

Service difficulty report · Rib · Beech 400A

Difficulty date: April 25, 2005
Submitted: April 27, 2006
Operation: General aviation
Filed by: OMKR399L
Straight Flight LLC
Aircraft: N743TA
Make and model: Beech 400A
Aircraft serial: RK271
Aircraft time: 5,352 hours, 4,476 cycles
System (JASC): 5511 · Horizontal Stabilizer, Spar/Rib
Part: Rib
Part number: 45A21104642
Condition: Cracked
Location: Horiz Stab
Stage of operation: IN
How discovered: V
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

ROLLER RIB AT INBOARD END CRACKED (ASSY P/N 45A21104-642) IN THREE PLACES. RIB, AND BOTH CLIPS. CRACKING IS FROM RIB MATERIAL BEING TOO THIN, IMPROPER RIGGING, OR EXCESSIVE WEAR OF HORIZONTAL STABILIZER HINGE POINTS. SUSPECT RIB MATERIAL IS JUST TOO THIN TO CARRY LOAD FROM ROLLER BRACKET.

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