Service difficulty report · Stringer · Cndair CL6002C10

Difficulty date
March 22, 2025
Submitted
May 12, 2025
Operation
Air carrier
Aircraft
N379CA
Make and model
Cndair CL6002C10
Aircraft serial
10102
Aircraft time
38,971 hours, 29,926 cycles
Part
Stringer
Part number
SH670312083U
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

"STGR20R IS CORRODED BETWEEN FS280 AND FS310. UPON FURTHER INVESTIGATION FOUND THE DISCREPANT AT STGR 20R BETWEEN FS280 AND FS310 TO BE DAMAGE WITHIN PAINT ONLY NO CORROSION NOTED AT THIS TIME IAW CRJ700 SRM 51-26-01-001-001-A01 APPLIED SURFACE FINISH TO STGR 20R BETWEEN FS280 AND FS310 IAW CRJ700 SRM 51-25-06-001-001-A01 AND SRM 51-25-16-001-001-A01 REMOVED CORROSION AT 2 OFF LOCATIONS ON STR 20R ATTACHED FLANGE, UPPER SURFACE PER CRJ 700 SRM 51-21-06-001-001-A01. BLENDS ARE BEYOND THE ALLOWABLE DAMAGE LIMITS OF CRJ 700 SRM 53-21-03-101-002-A01 DUE TO BLEND DEPTH AND ""NO DAMAGE ALLOWED"" ZONE BETWEEN FS280 AND FS295. INSTALLED NEW SERVICEABLE STGR 20R BETWEEN FS280-FS319 (P/N:SH670-31208-3U) IAW CRJ-700 SRM 51-42-06-001-001-A01 AND CRJ-700 SRM 51-42-21-001-001-A01. INSTALLED NEW SERVICEABLE STGR 20R BETWEEN FS280-FS319 (P/N:SH670-31208-3U) IAW CRJ-700 SRM 51-42-06-001-001-A01 AND CRJ-700 SRM 51-42-21-001-001-A01. INSTALLED SAME SERVICEABLE DUCTWORK BRACKET ONTO NEW SERVICEABLE STGR 20R (P/N:SH670-31208-3U) IAW CRJ-700 SRM 51-42-06-001-001-A01. LOCATED AND DRILLED NEW SERVICEABLE STGR 20R BETWEEN FS280-FS319 (P/N:SH670-31208-3U) IAW CRJ 700 SRM 51-40-11-001-001-A01. RESTORED SURFACE TO FINISH IAW CRJ-700 SRM 51-21-16-001-001-A01 (TR51-0068)."