Service difficulty report · Shield · Boeing 7378H4

Difficulty date
August 23, 2022
Submitted
September 26, 2022
Operation
Air carrier
Aircraft
N8649A
Make and model
Boeing 7378H4
Aircraft serial
42527
Aircraft time
27,113 hours, 12,631 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

CORROSION ON SHIELD FWD OF AFT CARGO DOOR IN AFT CARGO BAY BS767 TO BS794 RBL21 WL156 / [01] EVALUATED CORROSION ON SHIELD BS 767 TO 794 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 ACTION #1;[03] REMOVED ACB SHIELD BS=767 TO BS=794 RBL21 WL156 PER SRM 51-40-02-0G-0.;[04] LOCATED; DRILLED AND DEBURRED NEW SHIELD ACB BS767 TO BS794 RBL21 WL156 PER SRM 51-40-05-0G-0 AND DWG 146A0081;[05] OK TO INSTALL SHIELD;[06] VERIFIED CORRECTIVE ACTION 4 AND MEASUREMENT TABLE. OK TO INSTALL SHIELD.;[07] INSTALLED NEW SHIELD ACB BS767 TO BS794 RBL21 WL156 PER SRM 51-40-02-0G-0 AND DWG 146A0081;[08] VERIFIED CORRECTIVE ACTION #7;[09] ADDED PARTS

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