Service difficulty report · Shield · Boeing 7378H4

Difficulty date
September 24, 2022
Submitted
October 11, 2022
Operation
Air carrier
Aircraft
N8504G
Make and model
Boeing 7378H4
Aircraft serial
38812
Aircraft time
20,122 hours, 9,566 cycles
Part
Shield
Condition
Corroded
Location
Aft Cargo
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 AREAS OF CORROSION BS767 TO BS794 RBL22 WL156 / [01] EVALUATED CORROSION ON SHIELD BS 767 TO 794 RBL 22 WL 156; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0;[02] VERIFIED MEASUREMENT FIELDS; VERIFIED ACTION #1;[03] REMOVED ACB SHIELD BS767 TO BS794 RBL22 WL156 PER SRM 51-40-02-0G-0;[04] LOCATED AND DRILLED NEW AFT CARGO BAY SHIELD BS 767 TO 794 PER SRM 51-40-05-0G-0 AND DWG 146A0081. OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTION 4. OK TO INSTALL.;[06] INSTALLED AFT CARGO BAY SHIELD AT BS 767 TO 794 PER SRM 51-40-02-0G-0 AND DWG 146A0081;[07] VERIFIED CORRECTIVE ACTION 6;[08] COMPLETED STEP 1;[09] COMPLETE.;[10] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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