Service difficulty report · Door Sill · Cndair CL6002C10

Difficulty date
September 28, 2024
Submitted
September 30, 2024
Operation
Air carrier
Aircraft
N668CA
Make and model
Cndair CL6002C10
Aircraft serial
10162
Aircraft time
39,291 hours, 29,803 cycles
Part
Door Sill
Part number
MM67035655003
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

"AFT CARGO DOOR SILL PLATE F.S. 1000-1051 LBL 34 CORRODED INCLUDING NUT PLATES AND HOLES BLENDED CORROSION ON AFT CARGO LOWER DOOR SILL PLATE PN MM670-35655-001 IAW CRJ 700 SRM 53-61-23-201-001-A01, AND 51-12-00-001-001-A01. MEASURED BLEND AREA MATERIAL REMOVED 0.036"" MAX ALLOWABLE IS 0.016"" IS OUT OF LIMITS AND REQUIRES REPLACEMENT. TOOL USED 205492 CAL DUE 31DEC24. REMOVED AFT CARGO LOWER DOOR SILL PN MM670-35655-003 IAW CRJ 700 SRM 51-42-06-001-001-A01, 51-42-21-001-001-A01, AND 51-42-13-001-001-A01. LOCATED AND DRILLED NEW SERVICEABLE LOWER SILL PN# MM670-35655-003 IAW CRJ-700 SRM 51-40-11-001-001-A01. INSTALLED NEW SERVICEABLE LOWER SILL PN MM670-35655-003 IAW CRJ-700 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01. INSTALLED 24 EA MISSING RIVETS ON NEW SERVICEABLE LOWER SILL PN# MM670-35655-003 IAW CRJ-700 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01. REMOVED AND REPLACED MULTIPLE FASTENERS ON LOWER SILL PN: MM670-35655-003 IAW CRJ-700 SRM 51-42-06-001-001-A01. COMPLETED FINISH SURFACE IAW CRJ-700 SRM 51-21-16-001-001-A01. INSTALLED MISSING NUT PLATE TO LOWER SILL IAW CRJ 700 SRM 51-42-15-001-001-A01. REMOVED LOWER COAMING (P/N: MM670-35698-003) AND INTERCOSTAL (P/N: MM670-35324-003) IAW CRJ700 SRM 51-42-06-001-001-A01. AND SRM 51 51-42-21-001-001-A01. FOR ACCESS. REINSTALLED LOWER COAMING (P/N: MM670-35698-003) AND INTERCOSTAL (P/N: MM670-35324-003) IAW CRJ700 SRM 51-42-06-001-001-A01. AND SRM 51-42-21-001-001-A01, SRM 51-23-00-001-001-A01. REMOVED 2EA STOP FITTING IAW CRJ700 SRM 51-41-02-001-001-A01. FOR ACCESS. REINSTALLED AND FINISH SURFACE ON 2EA STOP FITTING IAW CRJ700 SRM 51-41-02-001-001-A01, SRM 51-21-16-001-001-A01, SRM 51-23-00-001-001-A01. REMOVED 3EA INNER CORDS AND 2EA CLIPS FROM FS 1000 TO FS 1047 AND 1EA SHIM AT FS 1047 IAW CRJ 700 SRM 51-42-06-001-001-A01, AND 51-42-21-001-001-A01. INSTALLED 3EA INNER CORDS AND 2EA CLIPS FROM FS 1000 TO FS 1047 AND 1EA SHIM AT FS 1047 IAW CRJ 700 SRM 51-42-06-001-001-A01, AND 51-42-21-001-001-A01."