Service difficulty report · Shield · Boeing 737790

Difficulty date
September 29, 2021
Submitted
November 4, 2021
Operation
Air carrier
Aircraft
N557WN
Make and model
Boeing 737790
Aircraft serial
30166
Aircraft time
66,485 hours, 32,340 cycles
Part
Shield
Condition
Corroded
Location
Fuselage
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; R/H FLOOR TO SIDE WALL SHIELD HAS SEVERAL AREAS OF CORROSION AND HAS BEEN PREVIOUSLY BLENDED; BS 767 TO 787; RBL 21; WL 156; ; / [01] NOT FOUND ALLOWABLE DAMAGE ON THE SRM;REPAIR BY REPLACEMENTE PART IAW SRM 51-10-02-0G- 0 STEP 9.REMOVED SHIELD IAW SRM 51-40-02-0G-0; [02] UP DATE MEASUREMENTS; [03] RECEIVED NEW SHIELD ITEM 7530271 ; LOCATED AND DRILLED NEW ACB; R/H FLOOR TO SIDE WALL SHIELD BS 767 TO 787; RBL 21 WL 156 IAW SRM 51-47-05 AND DWG 146A8127 ID:0001 REV:C. OK TO APPLY WHITE PAINT; [04] RECEIVED NEW SHIELD ITEM 7530271 ; LOCATED AND DRILLED NEW ACB; R/H FLOOR TO SIDE WALL SHIELD BS 767 TO 787; RBL 21 WL 156 IAW SRM 51-47-05 AND DWG 146A8127 ID:0001 REV:C; [05] VERIFIED CORRECTIVE ACTION ENTRY 3; OK TO PAINT GIVEN; [06] OK TO INSTALL; [07] OK TO INSTALL; [08] REQUEST OK TO INSTALL SHIELD. PAINT APPLIED ON CUST CARD TTG8Q0048CWL; [09] UPDATED OK TO INSTALL; [10] OKAY TO INSTALL AFT CARGO BAY FWD SHIELD; [11] OK TO INSTALL GIVEN.; [12] INSTALLED ACB R/H FLOOR TO SIDE WALL SHIELD BS 767 - 787 RBL 21 WL 156 IAW SRM 51-40-02 AND DWG 146A0081 ID:0010 REV:A; [13] INSTALLED ACB R/H FLOOR TO SIDE WALL SHIELD BS 767 - 787 RBL 21 WL 156 IAW SRM 51-40-02 AND DWG 146A0081 ID:0010 REV:A; [14] FINAL INSPECTION. JOB COMPLETE PER SRM 51-40-02 AND DWG 146A0081 ID:0010 REV:A; [15] UPDATED MEASUREMENTS; [16] UPDATED MEASUREMENTS; [17] VERIFIED JOB COMPLETE