Service difficulty report · Web · Boeing 7377H4

Difficulty date
August 4, 2021
Submitted
August 23, 2021
Operation
Air carrier
Aircraft
N964WN
Make and model
Boeing 7377H4
Aircraft serial
36965
Aircraft time
32,901 hours, 20,020 cycles
Part
Web
Condition
Corroded
Location
Cargo Threshold
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 SUBTHRESHOLD WEB AT AFT CARGO BAY BS826 RBL26 WL159. ; / [01] REMOVED CORROSION ON ACB SUBTHRESHOLD AT BS 826 RBL 26 WL 159 IN AREA OF 1.5'L X 1'W X 0.008' DEEP. ORIGINAL THICKNESS .045'; REMAINING THICKNESS .037' FOUND TO BE OUT OF LIMITS IAW <BR>SRM 53-60-15-1A-1<BR><BR>DEPTH GAUGE ATS1225 S/N UNKNOWN 07/2022; [02] VERIFIED; [03] VERIFIED DAMAGE IS OUT OF LIMITS IAW SRM 53-60-15-1A-1; [04] WORK WILL BE ACCOMPLISHED ON CUSTOMER CARD TTG8Q0061VTT (FUSELAGE 5091); [05] VERIFIED WORK WILL BE ACCOMPLISHED ON CUSTOMER CARD TTG8Q0061VTT.

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