Service difficulty report · Floorbeam · Bombdr CL6002D15

Difficulty date
November 29, 2024
Submitted
January 3, 2025
Operation
Air carrier
Aircraft
N590NN
Make and model
Bombdr CL6002D15
Aircraft serial
15393
Aircraft time
19,447 hours, 17,425 cycles
Part
Floorbeam
Part number
MM67035301025
Condition
Corroded
Location
Zone 100
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 FLOOR BEAM 9 LBL BTW FS 1000.00 TO FS 1047.00 AT FLOOR STRUCTURE AFT CARGO COMPARTMENT. PAINT WAS REMOVED PER CRJ-900 SRM 51-26-01-001-001-A01 AND NO DAMAGE WAS FOUND ON FLOOR BEAM 9 LBL BTW FS 1000 TO FS 1022 AND BTW FS 1045 TO FS 1051 AND WAS REFINISHED PER CRJ900 SRM 51-21-11-001-001-A01, CRJ900 SRM 51-25-06-001-001-A01 AND CRJ900 SRM 51-25-16-001-001-A01. CORROSION ON FLOOR BEAM 9 LBL BTW FS 1022 TO FS 1045 WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-61-43-101-001-A02 AND WAS REPAIRED PER CRJ900 SRM 53-00-41-201-001-A03