Service difficulty report · Bulkhead · Cndair CL6002B19

Difficulty date
December 23, 2021
Submitted
December 28, 2021
Operation
Air carrier
Aircraft
N435AW
Make and model
Cndair CL6002B19
Aircraft serial
7724
Aircraft time
39,961 hours, 38,675 cycles
Part
Bulkhead
Part number
601R36008219
Part serial
NSN
Condition
Gouged
Location
Fs 621
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 PRESSURE BULKHEAD AT FS 621 LBL 25 HAS A DENT ON PREVIOUSLY INSTALLED DOUBLER 3.400"L X .800"W X .028"D AND A SETMARK AT DENT MEASURING .250"L ON FORWARD SIDE OF BULKHEAD AT LBL 24.75 TO LBL 25.75 AND WL 130 TO WL 133.400. ************AIRCRAFT REMOVED FROM SERVICE************************** PERFORMED CUT ON PREVIOUSLY INSTALLED DOUBLERS AT FS621 LBL 27.5 AT WL 128.23-133.3. DOUBLER CUT DIMENSION: 5.100"L X 2.100"W. FABRICATED REPAIR DOUBLER FROM 2024-T3 .040", REPAIR TRIPLER FROM 2024-T3 .063", ORIGINAL REPAIR SPLICE FROM 2024-T3 .063", AND REPAIR FILLER FROM 2024-T3 .063". REPAIR PART DIMENSIONS ARE: 20"L X 6.3"W (DOUBLER); 22"L X 4.6"W (TRIPLER); 4.1"L X 3.5"W (SPLICE); AND 5.0"L X 2.0"W (FILLER). PERFORMED HAND DRESS OF DENTED AREA BACK TO ORIGINAL CONTOUR. NO OIL-CANNING NOTED AT REWORKED AREA AT THIS TIME. INSTALLED ALL REPAIR PARTS AT REPAIR AREA ON AFT PRESSURE BULKHEAD IAW MHIRJ REO 601R-53-61-7757 REV (--) DATED 2021-12-22. HFEC INSPECTION WAS PERFORMED AT REPAIR AREA WITH NO INDICATIONS. RESTORED PROTECTIVE FINISH. ALL WORK PERFORMED WITHIN ALLOWABLE LIMITS IAW MHIRJ REO 601R-53-61-7757 REV (--) DATED 2021-12-22. WORK COMPLETED ON AERSALE WO #003486 CARD #20108 CRS #4AER685B. TT: 39,961 TC:38,675