Service difficulty report · Shield · Boeing 7378H4

Difficulty date
May 18, 2023
Submitted
June 16, 2023
Operation
Air carrier
Aircraft
N8535S
Make and model
Boeing 7378H4
Aircraft serial
63596
Aircraft time
19,603 hours, 9,695 cycles
Part
Shield
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

CORROSION AFT CARGO BAY SHIELD AFT OF CARGO DOOR HAS MULTIPLE AREAS AROUND NUT PLATE HOLES BS847 TO BS867 RBL22 WL163.5<[01] CORROSION ON SHIELD WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM.;[02] VERIFIED CORRECTIVE ACTION 1- OUT OF LIMITS.;[03] REMOVED DAMAGED ACB SHIELD AFT OF CARGO DOOR BS847 TO BS867; RBL22; WL163.5 PER SRM 51-40-02-0G-0.;[04] LOCATED AND DRILLED NEW ACB SHIELD AFT OF CARGO DOOR PER DWG 146A0081 AND SRM 51-40-05-0G-0. OK TO INSTALL.;[05] VERIFIED CORRECTIVE ACTIONS STEP 4.;[06] OK TO INSTALL GIVEN.;[07] INSTALLED ACB SHIELD AFT OF CARGO DOOR BS847 TO BS867; RBL22; WL163.5 PER DWG 146A0081 AND SRM 51-40-02-0G-0.;[08] VERIFIED CORRECTIVE ACTION 7.;[09] VERIFIED MEASUREMENT TABLE.

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