Service difficulty report · Support · Boeing 737*

Difficulty date
January 6, 2022
Submitted
February 8, 2022
Operation
Air carrier
Aircraft
N943WN
Make and model
Boeing 737*
Aircraft serial
36913
Aircraft time
39,369 hours, 23,825 cycles
Part
Support
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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 ON FORWARD CARGO BAY AFT BULKHEAD CENTER PANEL LOWER SUPPORT AT B.S. 500D; R.B.L. 24 - L.B.L.24. ; / [01] REMOVED CORROSION ON FWD CARGO BAY AFT BULKHEAD CENTER PANEL LOWER SUPPORT AT BS 500D ;RBL24 - LBL24;IAW SRM 51-10-02 PARAGRAPH 15 ;EVALUATED ALL REWORKED AREA ;THE DEPPEST;AREA BS 500D ;RBL24-LBL24;DIMENSION L=3'X W=2'; DEPH =0.025 ORIGINAL THICKNESS 0.076';REMAINING THICKNESS;0.051' FOUND TO BE OUT OF LIMITS ALLOWABLE DAMAGE IAW SRM 53-30-08-1A-1;TABLE #2 ITEM{6}FIG#103 DETAIL'C' TOOL USED ID ATS2502 S/N A19335659 DUE 04/2022.; [02] VERIFIED CORRECTIVE ACTION ITEM 1; DAMAGE IS OUT OF LIMITS.; [03] RECEIVED LOWER RAIL ITEM 143A9485-35; LOT3 1468774-1. LOCATED AND DRILLED LOWER RAIL BTW BS 500D; RBL24 - LBL24 WL 154. IAW SRM 51-40-05-0G-0; DWG # 143A9481. REV:A DWG# 143A7902; REV:E . OK TO INSTALL.; [04] VERIFIED CORRECTIVE ACTION 3.<BR>OK TO INSTALL; [05] INSTALLED ON FWD CARGO BAY AFT BULKHEAD CENTER PANEL LOWER SUPPORT AT BS 500D ;RBL24 - LBL24;IAW SRM 51-40-02-0G-0; DWG#143A9481. REV:A; DWG#143A7902; REV:E; [06] VERIFIED INSTALLED ON FWD CARGO BAY AFT BULKHEAD CENTER PANEL LOWER SUPPORT AT BS 500D ;RBL24 - LBL24;IAW SRM 51-40-02-0G-0; DWG#143A9481. REV:A; DWG#143A7902; REV:E.; [07] VERIFIED ALL STEPS COMPLETE.; [08] UPDATED MEASUREMENT BLOCKS.