Service difficulty report · Shield · Boeing 7378H4

Difficulty date
October 13, 2022
Submitted
November 3, 2022
Operation
Air carrier
Aircraft
N8509U
Make and model
Boeing 7378H4
Aircraft serial
36925
Aircraft time
20,183 hours, 9,620 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

AFT CARGO BAY SHIELD FWD OF CARGO DOOR HAS CORROSION AROUND NUT PLATE HOLE BS767+8 RBL22 WL156 / [01] UPDATED MEASUREMENT TABLE AND ATTACHED PHOTO;[02] CORROSION ON SHIELD WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM.;[03] VERIFIED CORRECTIVE ACTION STEP 2.;[04] REMOVED ACB FWD SHIELD AT BS767 -BS787+5' RBL22 WL156 PER SRM 51-40-02-0G-0;[05] LOCATED AND DRILLED ACB FWD SHIELD AT BS767 -BS787+5' RBL22 WL156 PER SRM 51-40-05-0G-0 AND DWG 146A0081;[06] VERIFIED CORRECTIVE ACTION 5.<BR>OK TO INSTALL;[07] INSTALLED NEW ACB FWD SHIELD AT BS767 -BS787+5' RBL22 WL156 PER SRM 51-40-02-0G-0 AND DWG 146A0081;[08] UPDATED MEASUREMENT TABLE STEP 14 CORRECTED PART NUMBER;[09] UPDATED MEASUREMENT TABLE;[10] RII VERIFIED CORRECTIVE ACTION ITEM 7.;[11] VERIFIED CORRECTIVE ACTION ITEM 7-9; AND MEASUREMENT FIELDS; CARD COMPLETE.

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