Service difficulty report · Rib · Raythn 400ARAYTHEON

Difficulty date
December 4, 2014
Submitted
December 17, 2014
Operation
General aviation
Aircraft
N432MA
Make and model
Raythn 400ARAYTHEON
Aircraft serial
RK0370
Aircraft time
1,570 hours, 1,394 cycles
Part
Rib
Part number
SBKIT1286200
Condition
Cracked
Location
Horizontal Stab
Part time
1,570 hours, 1,394 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

FOUND FATIGUE CRACKING IN THE HORIZONTAL RIBS, 5,830 HRS EARLIER THAN REQUIRED, X-RAY INSPECTION REVEALED 16 CRACKED RIBS. INSTALLED NEW RIBS KIT 128-6200 IAW SB 55-4071.