Service difficulty report · Rib · Raythn 400ARAYTHEON

Difficulty date
October 24, 2017
Submitted
October 31, 2017
Operation
Air carrier
Aircraft
N445CT
Make and model
Raythn 400ARAYTHEON
Aircraft serial
RK535
Aircraft time
6,401 hours, 4,760 cycles
Part
Rib
Part number
45A21001663
Part serial
RK535
Condition
Cracked
Location
Horiz Stab
Part time
6,401 hours, 4,760 cycles
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

CRACKS FOUND IN DOUBLERS IN HORIZONTAL STABILIZER REAR SPAR WHILE COMPLETING SB 55-4162. REPLACED RIBS ON H-STAB IAW AIR SERVICES DRAWING NR CAS-128-6200 REV B, STEPS 5-16 RECOMMENDED FOR APPROVAL ON FAA FORM 8110-3 DATED OCTOBER 12, 2017 & APPROVED BY AMOC L115W-14-754A DATED 08/16/2017.