Service difficulty report · Rib · Beech 400A

Difficulty date
August 15, 2012
Submitted
August 29, 2012
Operation
Air carrier
Aircraft
N438LX
Make and model
Beech 400A
Aircraft serial
RK202
Aircraft time
9,664 hours, 7,980 cycles
Engine
Pwa JT15D5
Part
Rib
Part number
45A211135
Condition
Cracked
Location
Zone 300
Part time
9,664 hours, 7,980 cycles
Stage of operation
IN
How discovered
B
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

DURING INSPECTION FOR CRACKS ON THE RIB FLANGES OF THE HORIZONTAL STAB, RIB FOUND CRACKED ON THE LOWER FLANGE AT RT HORIZONTAL CANTED STATION 29.92, BETWEEN THE FWD AND AFT SPARS. CRACK EMANATES FROM THE FASTENER HOLES. RIB REPLACED.

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