Service difficulty report · Scuff Plate · Boeing 7377H4

Difficulty date
March 17, 2022
Submitted
April 20, 2022
Operation
Air carrier
Aircraft
N472WN
Make and model
Boeing 7377H4
Aircraft serial
33831
Aircraft time
58,559 hours, 34,804 cycles
Part
Scuff Plate
Condition
Corroded
Location
L1 Door
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 FORWARD ENTRY DOOR CENTER SCUFF PLATE INBOARDSUPPORT AT B.S. 328 - B.S. 360; L.B.L. 60; W.L. 208.1. / [01] REMOVED CORROSION ON FWD ENTRY DOOR CENTER SCUFF PLATE INBOARDSUPPORT AT BS 328 TO BS 360 ;LBL 60; WL 208.1. IAW SR 51-10-02 PARA#15;EVALUATED ALL REWORKED AREA;THE DEPPEST AREA ;BS 360 LBL 60 WL 208.1;DIMENSION L=3'X W =1' X DEPTH= 0.011; ORIGINAL THICKNESS 0.080' REMAINING THICKNESS 0.069;FOUND TO BE OUT OF LIMITS IAW SRM 53-10-15-1A-1 PARA#4.C (2)(A}DETAIL D;TOOL USED ID:ATS2318 DATE DUE 05/2022;[02] VERIFIED CORRECTIVE ACTION STEP 1.;[03] LOCATED AND DRILLED FWD ENTRY DOOR CENTER SCUFF PLATE INBOARDSUPPORT AT BS 312 TO BS 347 ;LBL 60 WL 208.1 PO#1427810-1 P/N 141A8112-20 IAW SRM 51-40-05 AND DWG 141A8110-REV:-.;[04] VERIFIED ACTION 3;[05] OK TO INSTALL FED CENTER SCUFF PLATE INBOARDSUPPORT AT BS 312 TO BS 347 ;LBL 60 WL 208.1;[06] VERIFIED CORRECTIVE ACTION 5. OK TO INSTALL;[07] INSTALLED ON FORWARD ENTRY DOOR CENTER SCUFF PLATE INBOARD SUPPORT BTW. BS 312 TO BS 347 ;LBL 60 WL 208.1 IAW SRM 51-40-02-0G-0. DWG# 141A8110.;[08] VERIFIED CORRECTIVE ACTION 7.;[09] INDEPENDENT INSPECTION COMPLETE

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