Service difficulty report · Shield · Boeing 7377BD

Difficulty date
September 10, 2021
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N7751A
Make and model
Boeing 7377BD
Aircraft serial
36717
Aircraft time
43,609 hours, 22,223 cycles
Part
Shield
Part number
146A8127Y10
Condition
Corroded
Location
Aft Cargo Bay
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

CORROSION AFT CARGO BAY AFT SHIELD BS847 TO BS867 RBL21 WL163 ; / [01] DAMAGE FOUND AT ACB AFT SHIELD BS 847 TO BS 867 RBL 21 WL 163 FOUND TO BE OUT OF LIMIT DUE TO NO LIMIT ON SRM PART WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0 PAR.9C; [02] VERIFIED CORRECTIVE ACTION 1.; [03] REMOVED ACB SHIELD WEB FROM BS847 TO BS867 IAW SRM 51-40-02; [04] LOCATED AND DRILLED NEW ACB SHIELD WEB PN#146A8127Y10; PO#830724 FROM BS847-BS867 RBL 21 IAW SRM 51-40-05 AND IAW DWG#146A0081; [05] VERIFIED LOCATE AND DRILL OF THE ACB AFT SHIELD WEB PER SRM 51-40-05 AND IAW DWG#146A0081; [06] OK TO INSTALL SHIELD AT BS 847 TO BS 867 ACB; [07] OK TO INSTALL AC DOOR CUTOUT AFT SHIELD; [08] INSTALLED ACB AFT SHIELD WEB FROM BS847-BS867 RBL 21 IAW SRM 51-40-02 AND IAW DWG#146A0081; [09] VERIFIED INSTALLED ACB AFT SHIELD WEB FROM BS847-BS867 RBL 21 IAW SRM 51-40-02 AND IAW DWG#146A0081; [10] VERIFIED JOB COMPLETE

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