Service difficulty report · Shield · Boeing 7377H4

Difficulty date
August 11, 2021
Submitted
August 31, 2021
Operation
Air carrier
Aircraft
N965WN
Make and model
Boeing 7377H4
Aircraft serial
36677
Aircraft time
32,936 hours, 20,041 cycles
Part
Shield
Condition
Corroded
Location
Bs 493-500a
Stage of operation
IN
How discovered
V
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 FWD CARGO BAY AFT SHIELD BS 493 TO BS 500A RBL 25 WL 156 ; / [01] REMOVED FWD CARGO BAY AFT SHIELD BS 493 TO BS 500A RBL 25 WL 156 IAW SRM 51-40-02; [02] REMOVED FWD CARGO BAY AFT SHIELD BS 493 TO BS 500A RBL 25 WL 156 IAW SRM 51-40-02; [03] LOCATED AND DRILLED FWD CARGO BAY AFT SHIELD BS 493 TO BS 500A RBL 25 WL 156 USING ATSHFAB-103-303 FORMED SHIELD BLANK FCB BS 492-500 LOT:1385046 IAW SRM 51-40-05 AND BOEING DWG 143A8126 ID:0018 AND 143A0080 ID:0006.; [04] VERIFIED RECIEVED PART LOCATE AND DRILL; [05] FCB AFT SHIELD FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE DAMAGE LIMITS FOUND IN SRM. PART TO BE REPAIRED BY REPLACMENT PER SRM 51-10-02 ITEM 9; [06] OKAY TO INSTALL; [07] INSTALLED FWD CARGO BAY AFT SHIELD BS 493 TO BS 500A RBL 25 WL 156 IAW SRM 51-40-02 AND DWG 143A8126 ID:0018 AND 143A0080 ID:0041; [08] INSTALLED FWD CARGO BAY AFT SHIELD BS 493 TO BS 500A RBL 25 WL 156 IAW SRM 51-40-02 AND DWG 143A8126 ID:0018 AND 143A0080 ID:0041; [09] FCB AFT SHIELD FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE DAMAGE LIMITS FOUND IN SRM. PART TO BE REPAIRED BY REPLACMENT IAW SRM 51-10-02 ITEM 9; [10] VERIFIED CORRECTIVE ACTION ENTRY 5.; [11] VERIFIED CORRECTIVE ACTION ENTRY 7.; [12] VERIFIED CARD COMPLETE

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