Service difficulty report · Shield · Boeing 7377Q8

Difficulty date
May 9, 2022
Submitted
June 8, 2022
Operation
Air carrier
Aircraft
N7875A
Make and model
Boeing 7377Q8
Aircraft serial
29354
Aircraft time
50,797 hours, 27,672 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 DOOR CUTOUT FWD SHEILD IS CORRODED FROM BS 767+1 TO BS 794; WL 157 RBL 21 TO RBL 23 / [01] CHECK LIMITS; NO FOUND ALLOWABLE LIMITS ON SRM FOR THIS PART L=2 W= 1 MATERIAL REMAINING .030'; PART IS REPAIRED BY REPLACEMENT PER SRM 51-10-02 STEP 9;[02] VERIFIED CORRECTIVE ACTION #1.;[03] RECIVED NEW SHEILD ITEM 146A8127-10 LOT 1490010-1 LOCATED AND DRILLED NEW SHEILD AT BS 847 TO 867 RBL 21 WL 157; IAW 737-700 SRM 51-40-05-0G-0 DWG 146A0081.-;[04] RECIVED NEW SHEILD ITEM 146A8127-12 LOT 1490010-1 LOCATED AND DRILLED NEW SHEILD AT BS 847 TO 867 RBL 21 WL 157; IAW 737-700 SRM 51-40-05-0G-0 DWG 146A0081.-;[05] RECIVED NEW SHEILD ITEM 146A8127-12 LOT 1487443-1 LOCATED AND DRILLED NEW SHEILD AT BS 767 TO 794 RBL 21 WL 157; IAW 737-700 SRM 51-40-05-0G-0 DWG 146A0081.-;[06] UPDATED PART NUMBER;[07] VERIFIED CORRECTIVE ACTION STEPS 3;4;5 AND 6.;[08] OK TO INSTALL NEW ACB FWD SHIELD;[09] VERIFIED CORRECTIVE ACTION #8.;[10] INSTALLED ACB DOOR CUTOUT FWD SHIELD BS 767 TO BS 794 WL 157 RBL 21 IAW SRM 51-40-02 AND DWG # 1460081;[11] VERIFIED CORRECTIVE ACTION #10.;[12] TASK COMPLETE

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