Service difficulty report · Shield · Boeing 7378H4

Difficulty date
March 22, 2022
Submitted
April 20, 2022
Operation
Air carrier
Aircraft
N8628A
Make and model
Boeing 7378H4
Aircraft serial
42384
Aircraft time
27,196 hours, 12,448 cycles
Part
Shield
Condition
Corroded
Location
Aft Cargo
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

AFT CARGO BAY SHIELD HAS CORROSION BS 767+3 RBL21 WL 156 / [01] EVALUATED CORROSION ON SHIELD BS 767+3 RBL 21 WL 156; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0;[02] VERIFIED CORRECTIVE ACTION 1.;[03] REMOVED AFT CARGO BAY; SHIELD BS767 TO 793 RBL21 WL156; PER SRM 51-40-02-0G-0.;[04] LOCATED; DRILLED; AND DEBURRED NEW ACB SHIELD BS 767 TO BS 793; RBL 21; WL 156 IAW SRM N51-40-05-0G-0; DWG#146A0081. OK TO INSTALL;[05] SRM 51-40-05-0G-0;[06] VERIFIED DRILL UP OF SHIELD PER SRM 51-40-05 AND DWG 146A0081; OK TO INSTALL.;[07] BEGAN INSTALLING NEW ACB SHIELD BS 767 TO BS 793; RBL 21; WL 156 IAW SRM 51-40-02-0G-0; DWG#146A0081.;[08] INSTALLED NEW ACB SHIELD BS 767 TO BS 793; RBL 21; WL 156 IAW SRM 51-40-02-0G-0; DWG#146A0081.;[09] VERIFIED CORRECTIVE ACTION 8.

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