Service difficulty report · Shield · Boeing 7377BD

Difficulty date
September 10, 2021
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N7751A
Make and model
Boeing 7377BD
Aircraft serial
36717
Aircraft time
43,609 hours, 22,223 cycles
Part
Shield
Condition
Corroded
Location
Aft Cargo Bay
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 FWD SHIELD BS767+3 TO BS787 RBL22 WL156 ; / [01] CORRSION ON THE FWD SHIELD FROM BS767+3 TO BS787 RBL 22 WL 156 FOUND TO BE OUT OF LIMITS DUE TO NO SRM ALLOWABLE DAMAGE. THE STRUCTURAL ITEM WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02 PARA 9C; [02] REMOVED SHIELD WEB FROM BS767 TO BS787 RBL 21 IAW SRM 51-40-02; [03] VERIFIED CORROSION REMOVAL IS OUT OF LIMITS PER DUE TO NO ALLOWABLE LIMITS IN THE SRM. SHIELD WILL BE REPLACED.; [04] LOCATED AND DRILLED NEW ACB SHIELD WEB PN#146A8127U12 PO#835804 FROM BS767-BS787 RBL 21 IAW SRM 51-40-02 AND IAW DWG#146A0081 INSTALLED ACB FWD SHIELD WEB FROM BS767-BS787 RBL 21 IAW SRM 51-40-02 AND IAW DWG#146A0081

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