Service difficulty report · Stringer Splice · Cndair CL6002D24

Difficulty date
April 10, 2024
Submitted
October 31, 2024
Operation
Air carrier
Aircraft
N931XJ
Make and model
Cndair CL6002D24
Aircraft serial
15193
Aircraft time
35,201 hours, 24,780 cycles
Part
Stringer Splice
Part number
SH670390891
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

"STGR 19R SPLICE IS CORRODED BETWEEN F.S. 677 TO F.S. 669.40. DISPLACED WIRE HARNESS BETWEEN FS 661+90 - FS 693 REMOVED FASTENERS AT AFFECTED LOCATIONS FOR ACCESS IAW CRJ 900 SRM 51-42-06/21-001-001-A01. REMOVED CORROSION FROM FWD SIDE OF STGR 19R SPLICE (P/N: SH690-39111-1), FWD DIAPHRAGM (P/N: SH 690-39112-1) AND AFT TENSION FITTING (P/N: SH670-39089-1) BETWEEN FS 661.15+90 - FS 677.00 IAW CRJ 900 SRM 51-21-06-001-001-A01. C/W UTT ON STR 19R SPLICE FS 669+90-677 REWORKED AREAS IAW CRJ 900 NDTM PART 01 51-20-004-270-A01. FOUND LOWEST TO BE .050"" OR GREATER AND RECORDED ON PART. EVALUATED UT MEASUREMENTS AND STRINGER 19R SPLICE PN: SH690-39111-1 ORIGINAL THICKNESS IS .063"" AND REMAINING THICKNESS IS .063"", DIAPHRAGM PN: SH690-39112-1 ORIGINAL THICKNESS IS .050"" AND REMAINING THICKNESS IS .050"" AND BOTH PARTS ARE WITHIN LIMITS IAW CRJ 900 SRM 53-00-00-101-001-A01. AFT TENSION FITTING PN: SH670-39089-1 ORIGINAL THICKNESS IS .080"" AND REMAINING THICKNESS IS .063"", DAMAGE IS NOT ALLOWED ON FITTINGS IAW CRJ 900 SRM 53-00-00-101-001-A01. FABRICATED TENSION FITTING (P.N.# SH670-39089-S0101) USING MATERIAL 7475-T7 (P.O. W54674) PER STEP #1 OF MHIRJ SNIEO SH670-39089 IDENTIFIER S01. LOCATED DRILLED AND INSTALLED NEWLY FABRICATED AFT TENSION FITTING P.N. SH670-39089-SO101 LOCATED AT STR19R BETWEEN FS661 AND FS677 IAW ALL STEPS 1 THRU 4 OF MHIRJ SNIEO SH670-39100 IDENTIFIER S01. INSTALLED FASTENERS AT AFFECTED LOCATIONS FOR ACCESS IAW CRJ 900 SRM 51-42-06/21-001-001-A01. APPLIED SURFACE FINISH A023 ON P.N. SH670-39089-S0101 IAW MHIRJ SNIEO SH670-39089 IDENTIFIER S01 STEP 3. APPLIED SURFACE FINISH REWORK AREA IAW CRJ 900 SRM 51-21-16-001-001-A01. RE-PLACED WIRE HARNESS BETWEEN FS 661+90- FS 693 IAW CRJ900 SRM 51-41-04-01-001-A01 "