Service difficulty report · Shield · Boeing 73776N

Difficulty date
December 29, 2022
Submitted
January 27, 2023
Operation
Air carrier
Aircraft
N7812G
Make and model
Boeing 73776N
Aircraft serial
32582
Aircraft time
56,870 hours, 33,864 cycles
Part
Shield
Condition
Corroded
Location
Zone 100
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 FWD SHIELD AT AFT CARGO BAY BS767 - 787 RBL22.<[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 AND MEASUREMENT TABLE;[03] REMOVED DAMAGED FWD SHIELD AT AFT CARGO BAY BS767 - 794 RBL22 IAW SRM 51-40-02-0G-0.;[04] LOCATION AND DRILLED NEW SHIELD AT AFT CARGO BAY BS767 - 794 RBL22 IAW SRM 51-40-05-0G-0 AND DWG 146A0081.<BR>OK TO INSTALL;[05] LOCATED AND DRILLED NEW SHIELD AT AFT CARGO BAY BS767 - 794 RBL22 IAW SRM 51-40-05-0G-0 AND DWG 146A0081.;[06] VERIFIED CORRECTIVE ACTIONS 4 AND 5 AND MEASUREMENT TABLE.

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