Service difficulty report · Spar Cap · Cndair CL2156B11415

Difficulty date
July 2, 2024
Submitted
July 17, 2024
Operation
General aviation
Aircraft
N417BT
Make and model
Cndair CL2156B11415
Aircraft serial
1082
Aircraft time
5,738 hours
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Condition
Cracked
Location
Zone 500
Part time
5,738 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

STRUCTURAL CRACKS WERE DISCOVERED DURING GENERAL VISUAL INSPECTION ("GVI") AND CONFIRMED WITH NON-DESTRUCTIVE TESTING ("NDT") EDDY CURRENT METHOD, AFTER REMOVING THE LEFT HAND LOWER SPAR CAP. SUBSEQUENT DAMAGE WAS LOCATED BEYOND THE SPAR CAP IN VARIOUS ADJACENT STRUCTURAL MEMBERS, INCLUDING DAMAGE FOUND IN A RIGHT HAND OF CENTERLINE VERTICAL STRUCTURAL MEMBER. THE COLLECTIVE FINDINGS NECESSITATED AND EXHAUSTIVE STRUCTURAL INSPECTION WHICH RESULTED IN EIGHT (8) MANUFACTURER SUPERVISED AND DIRECTED REPAIR ENGINEERING ORDER DEFINED REPAIRS, ALL OF WHICH HAVE BEEN DOCUMENTED VIA FAA FORM 337 DATED 2 JUL 24. BLOCKS 5 AND 7 OF THIS REPORT DO NOT PROVIDE FOR ACCURATE DESCRIPTION OR DEFINITION OF THE DISCREPANCIES, THEREFORE IT IS RECOMMENDED THAT AN EVALUATION OF THE FORM 337 FOR THIS REPAIR BE CONSULTED IF DESIRED. END