Service difficulty report · Seal · Cndair CL6002D24

Difficulty date
May 21, 2026
Submitted
August 1, 2026
Operation
Air carrier
Aircraft
N644NN
Make and model
Cndair CL6002D24
Aircraft serial
15437
Aircraft time
15,145 hours, 15,678 cycles
Part
Seal
Part number
CC670392012
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

SEVERAL CORRSION ON SETTLEMENT AREA OF FAIRING ACCESS PANEL 194AB (AFT SIDE), ON SETTLEMENT AREA OF ACCESS PANELS 174BZ, 174DZ 173BZ AND 173DZ ALSO IN ANGLE OF KEEL BEAM NEAR FS 669.40 AT MLG WHEEL AREA. CORROSION WERE REMOVED ON SETTLEMENT AREA OF FAIRING ACCESS PANEL 194AB AFT SIDE, ON SETTLEMENT AREA OF ACCESS PANELS 174BZ, 174DZ 173BZ AND 173DZ ALSO IN ANGLE OF KEEL BEAM NEAR FS 669.40 AT MLG WHEEL AREA WERE REMOVED PER SRM 51-21-06-001-001-A01, MEMBER SEAL NP: CC670-39208-1, CC670-39208-2 AND CC670-39201-1, ALSO ANGLE OF KEEL BEAM NEAR FS 669.40 WERE EVALUATED AND THEREFORE THEY ARE WITHIN LIMITS PER SRM 53-00-00-101-001-A01, BUT MACHING WEB P/N:CC670-39221-3 AND CC670-39221-4, DIAPHRAGM ASSY NP:CC670-39205-1 AND CC670-39205-2 ANGLE NP: SH670-36386-15, SH670-36386-16 AND MEMBER SEAL NP: CC670-39201-2 WERE EVALUATED AND THEREFORE THEY ARE NOT WITHIN LIMITS PER CRJ 900 SRM 53-00-00-101-001-A01 AND WERE REPLACED PER CRJ900 SRM 51-41-02-001-001-A01, SRM 51-42-10-001-001-A01, SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01