Service difficulty report · Floor Support · Cndair CL6002D24

Difficulty date
December 5, 2019
Submitted
February 18, 2020
Operation
Air carrier
Aircraft
N689CA
Make and model
Cndair CL6002D24
Aircraft serial
15133
Aircraft time
30,603 hours, 19,857 cycles
Part
Floor Support
Condition
Corroded
Location
Bs 693-847
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

* L/H PRESSURE FLOOR SILL ANGLES HAVE SEVERAL AREAS OF CORROSION BETWEEN FS 693.00 AND FS 847.00. (C-CHECK) RO 2/14/2020 REMOVED CORROSION FROM L/H PRESSURE FLOOR SILL ANGLES BETWEEN FS693 TO FS847 REF. CRJ900 SRM. ORIGINAL THICKNESS OF L/H PRESSURE FLOOR SILL ANGLES BETWEEN FS693 TO FS847 IS .125€? REF. CRJ900 SRM. MATERIAL REMAINING AFTER REMOVAL OF CORROSION AT LOCATION 1 AT FS735.75 IS .120€?, FOR A MATERIAL LOSS OF .005€? OR 4%, LOCATION 2 AT FS740.75 IS .122€?, FOR A MATERIAL LOSS OF .003€? OR 2%, LOCATION 3 AT FS755.25 IS .116€?, FOR A MATERIAL LOSS OF .009€? OR 7%, LOCATION 4 AT FS768.75 IS .120€?, FOR A MATERIAL LOSS OF .005€? OR 4%, LOCATION 5 AT FS778.25 IS .123€?, FOR A MATERIAL LOSS OF .002€? OR 2% AND LOCATION 6 AT FS837.00 IS .123€?, FOR A MATERIAL LOSS OF .002€? OR 2% BUT L/H PRESSURE FLOOR SILL ANGLES BETWEEN FS693 TO FS847 ARE OUT OF LIMITS€”NO ALLOWABLE LIMITS PROVIDED. COMPLIED WITH BOMBARDIER REO. RESTORED FINISH AND CIC.