Service difficulty report · Support · Boeing 7377H4

Difficulty date
June 17, 2021
Submitted
July 14, 2021
Operation
Air carrier
Aircraft
N226WN
Make and model
Boeing 7377H4
Aircraft serial
32494
Aircraft time
53,110 hours, 31,655 cycles
Part
Support
Condition
Corroded
Location
Bs 869 Rbl21
Stage of operation
IN
How discovered
9
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

CORROSION ON FLOOR TO SIDEWALL SUPPORT AT AFT CARGO BAY BS896 RBL21 WL169. ; / [01] REMOVED CORROSION FROM ACB FLOOR TO SIDE WALL SUPPORT ANGLE BS 896 RBL 21 WL 169 IN AREA OF 2.5' X 1.2' X 0.008' DEEP ORIGINAL MATERIAL THICKNESS 0.040' FOUND TO BE OUT OFF LIMIT IAW 53-00-53-1A-1 DETAIL 4A(2)A FIG.103-D<BR>TOOLS USED MICR0METER ID ATS1671; S/N 65093024; [02] VERIFIED REMOVAL OF CORROSION FROM ACB FLOOR TO SIDE WALL SUPPORT ANGLE BS 896 RBL 21 WL 169 IN AREA OF 2.5' X 1.2' X 0.008' DEEP ORIGINAL MATERIAL THICKNESS 0.040' FOUND TO BE OUT OF LIMITS IAW 53-00-53-1A-1 DETAIL 4A(2)A FIG.103-D <BR>TOOLS USED MICR0METER ID ATS1671; S/N 65093024; [03] WORK WILL BE ACCOMPLISHED IN CUSTOMER CARD # TTG8Q005GV0N; [04] CORRECTION STEP 3 WORK WILL BE ACCOMPLISHED IN CUSTOMER CARD TTG8Q005GVMC; [05] VERIFIED INSTALLATION OF ACB FLOOR TO SIDE WALL SUPPORT ANGLE WILL BE ACCOMPLISHED IN CUSTOMER CARD TTG8Q005GVMC; [06] VERIFIED CARD COMPLETE; [07] CORRECTED MEASUREMENTS SECTION ITEM #15; [08] COMPLETE

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