Service difficulty report · Web · Boeing 7377H4

Difficulty date
July 5, 2024
Submitted
August 13, 2024
Operation
Air carrier
Aircraft
N257WN
Make and model
Boeing 7377H4
Aircraft serial
32515
Aircraft time
59,419 hours, 35,640 cycles
Part
Web
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 SCUFF PLATE HAS NUMEROUS AREAS OF CORROSION FROM STA 787 + 7 - 847 RBL 33 WL 150<[01] CORRECTION FAULT TITLE S/B AFT CARGO DOOR SUB THRESHOLD WEB;[02] EVALUATED CORROSION AT AFT CARGO BAY THRESHOLD BS 787+7 TO 847; RBL 33; WL 150. L=1.5' W=0.5' D=0.010' ORIGINAL THICKNESS= 0.045' REMAINING THICKNESS 0.035'<BR><BR>DEFECT FOUND TO BE OUT OF LIMITS. REPAIR BY REPLACEMENT IAW SRM 53-60-15-1A-1<BR>TOOL ID:ATS1225 DUE:09/2024<BR><BR>ACB SUB-THRESHOLD WEB WILL BE REPLACED ON CUST CARD # TTG8Q00UDWWT;[03] VERIFIED. CARD COMPLETE.

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