Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
May 31, 2023
Submitted
July 5, 2023
Operation
Air carrier
Aircraft
N962WN
Make and model
Boeing 7377H4
Aircraft serial
36963
Aircraft time
38,452 hours, 23,554 cycles
Part
Sidewall Support
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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

FLOOR TO SIDE WALL SUPPORT HAS CORROSION AT BS 727C-727C+12; LBL 22; WL 156<[01] REMOVED CORROSION FROM AFT CARGO BAY FLOOR TO SIDE WALL SUPPORT ANGLE BS 727C-727C+12; LBL 22; WL 156; IN AREA OF 11' X 1.5' X 0.008' DEEP ORIGINAL MATERIAL THICKNESS 0.040' FOUND TO BE OUT OF LIMIT IAW SRM 53-00-53-1A-1 DET 4A(2A) FIG 103-D<BR>TOOLS USED MICROMETER ID:ATS1672; DUE:MAR-31-2024;[02] VERIFIED CORRECTIVE ACTION #1.;[03] THIS FAULT WILL BE ACCOMPLISHED<BR>WITH CUSTOMER CARD: TTG8Q00LCYK1;[04] UPDATE CORRECTIVE ACTION 1<BR>VERIFIED APPLICABILITY SRM 53-60-53-0I-2 FOR IDENTIFICATION<BR>AND SRM 53-00-53-1A-2 FOR ALLOWABLE DAMAGE.;[05] UPDATE MEASUREMENT TABLE #17;[06] VERIFIED CORRECTIVE ACTION 3-5<BR><BR>VERIFIED MEASUREMENT TABLE

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