Service difficulty report · Rib · Beech 400A

Difficulty date
December 13, 2007
Submitted
December 17, 2007
Operation
Air carrier
Aircraft
N743TA
Make and model
Beech 400A
Aircraft serial
RK271
Engine
Pwa JT15D5
Part
Rib
Part number
45A21104642
Condition
Cracked
Location
Horiz Stab
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 A SCHEDULED MAINTENANCE VISIT WHILE PERFORMING A HORIZONTAL STABILIZER ROLLER INSPECTION OF THE HORIZONTAL STABILIZER INBOARD RIB AND BRACKET ASSEMBLIES, THE RIGHT INBOARD RIB WAS FOUND CRACKED. DETAILED INSPECTION INSTRUCTIONS OF THIS AREA ARE OUTLINED IN BEECHJET COMMUNIQUE' NR 70. MAINTENANCE REPLACED BOTH RIBS WITH IMPROVED ASSEMBLIES.

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