SDR T17A201811134053

Service difficulty report · Rib · Raythn 400ARAYTHEON

Difficulty date: November 9, 2018
Submitted: December 31, 2018
Operation: Air carrier
Aircraft: N491TM
Make and model: Raythn 400ARAYTHEON
Aircraft serial: RK564
Aircraft time: 7,094 hours, 5,301 cycles
System (JASC): 5511 · Horizontal Stabilizer, Spar/Rib
Part: Rib
Condition: Cracked
Location: Horizontal Stab
Component: Horizontal Stab · Raythn
Component part number: 45A21001663
Stage of operation: IN
How discovered: X
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

NDT X-RAY INSPECTION OF HORIZONTAL STABILIZER HAS INDICATIONS OF CRACKS AT RIBS RR2S1, RR2S2, RR3S1, RR3S2, LR2S1, LR2S2, AND LR3S1. REMOVED HORIZONTAL STABILIZER, REINSTALLED SAME STABILIZER AFTER REPAIRS BY TEXTRON AVIATION. TAMPA FL, OPERATIONAL & FUNCTIONAL CHECKS GOOD, WORK PERFORMED IAW BEECH 400XP AMM 27-30-00 & 27-40-00.