SDR SWIA202267012

Service difficulty report · Stiffener · Cndair CL6002B19

Difficulty date: November 11, 2022
Submitted: December 20, 2022
Operation: Air carrier
Aircraft: N918SW
Make and model: Cndair CL6002B19
Aircraft serial: 7645
Aircraft time: 46,442 hours, 39,326 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Stiffener
Condition: Cracked
Location: Keelbeam
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

FORWARD KEEL BEAM PRESSURE BOX, UPPER STIFFENER WAS DENTED WITH POSSIBLE CRACK. EVALUATED DENT ON FORWARD KEEL BEAM PRESSURE BOX, UPPER STIFFENER OUT OF LIMITS. REMOVED AND INSTALLED A NEW FORWARD KEEL BEAM PRESSURE BOX, STIFFENER IAW SRM 51-42-06, SRM 51-23-00, SRM 51-42-21, DWG 601R31060, REV F, AND REO 601R-53-31-1252 REV-. NO LEAKS NOTED.