Service difficulty report · Floorbeam · Bombdr CL6002D15

Difficulty date
April 21, 2025
Submitted
May 29, 2025
Operation
Air carrier
Aircraft
N553NN
Make and model
Bombdr CL6002D15
Aircraft serial
15333
Aircraft time
23,571 hours, 21,063 cycles
Part
Floorbeam
Part number
CC670340941
Condition
Corroded
Location
Zone 200
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

CORROSION ON CROSSBEAM SECTION (FS280) BTW LBL 9.00 / RBL 9.00. CROSS BEAM FS.280 R/H WAS CLEANED AND NOT DAMAGED WAS FOUND PER CRJ-900 SRM 51-26-00-001-001-A01, EVALUATED WAS DUE EXCESSIVE CORROSIÓN ON LH CROSS BEAM FS.280 AT COCKPIT CABIN FLOOR WAS FOUND OFF OUT LIMITS PER CRJ-900 SRM 53-00-01-101-001-A01 AND REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 AND SRM 51-42-10-001-001-A01.