Service difficulty report · Rib · Cessna 560CESSNA

Difficulty date
November 12, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Cessna 560CESSNA
Aircraft time
9,047 hours
Part
Rib
Part number
65320144
Condition
Cracked
Location
Horizontal Stab
Part time
8,920 hours
Stage of operation
IN
How discovered
9
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

(CAN) CRACKS LESS THAN 0.25" WERE FOUND IN 4 PLACES AROUND LOWER ATTACH FLANGE RIVETS ON THE HORIZONTAL STABILIZER RIB WHEN PERFORMING THE BORESCOPE INSPECTION REQUIRED BY A PHASE 66. MFG STRUCTURES GROUP CONTACTED WITH FINDINGS AS REQUESTED BY PHASE 66 INSTRUCTIONS.