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 FWD CARGO BAY FWD DOOR SHIELD AT RBL 24 BS 420+10-420+18 WL 157.<[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.;[03] LOCATED AND DRILLED NEW FWD DOOR SHIELD BS 420 TO 440 RBL 24 WL 157 PER SRM 51-40-05-0G-0 AND DWG 143A0080;[04] VERIFIED CORRECTIVE ACTION #3.;[05] VERIFIED CORRECTIVE ACTION 3 AND MEASUREMENT TABLE.

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