Service difficulty report · Rib · Beech E90

Difficulty date
June 13, 2002
Submitted
July 3, 2002
Operation
Air carrier
Aircraft
N965LG
Make and model
Beech E90
Aircraft serial
LW204
Engine
Pwa PT6A60A
Part
Rib
Condition
Cracked
Location
Elevator
Part time
11,640 hours
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

FOUND DURING PHASE INSPECTION: LEFT ELEVATOR HAD A CRACKED INBOARD RIB (PN 50-610000-355), RIB DOUBLER BRACKET, AND INBOARD MAIN SPAR FLANGE AT INBOARD 90 DEGREES BEND, ALL WHERE THE ELEVATOR TORQUE TUBE ATTACHES. CRACKS VARY IN LENGTH FROM 1.3 INCHES ON SPAR FLANGE TO 3.4 INCHES AROUND RIB CIRCUMFRENTIALLY FOLLOWING THE SHAPE OF THE TORQUE TUBE ATTACH CASTING.

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