Service difficulty report · Shield · Boeing 7377Q8

Difficulty date
March 7, 2023
Submitted
April 4, 2023
Operation
Air carrier
Aircraft
N7819A
Make and model
Boeing 7377Q8
Aircraft serial
30649
Aircraft time
65,235 hours, 39,673 cycles
Part
Shield
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

MULTIPLE AREA OF CORROSION ON AFT CARGO BAY FWD DOOR SHIELD AT RBL 21 BS 767-787.<[01] EVALUATED CORROSION ON SHIELD BS 767-787 RBL 21 WL 156; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-0-0G-0;[02] VERIFIED CORRECTIVE ACTIONS STEP 1.;[03] LOCATED AND DRILLED NEW AFT CARGO BAY FWD DOOR SHIELD AT RBL 21 BS 767-787 IAW SRM 51-40-05-0G-0 AND DWG 146A0081.;[04] VERIFIED CORRECTIVE ACTION 3 AND MEASUREMENT TABLE.

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