Service difficulty report · Panel · Boeing 737

Difficulty date
December 14, 2021
Submitted
April 28, 2022
Operation
Air carrier
Aircraft
N455WN
Make and model
Boeing 737
Aircraft serial
32462
Aircraft time
58,698 hours, 34,771 cycles
Part
Panel
Part number
193AR
Condition
Damaged
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

SUPPLEMENTAL INFORMATION: MATING SURFACE FOR PANEL 193AR HAS ABRASION DAMAGE AT BS 663 THROUGH BS 674 AT RBL 26 TO RBL 28. ; / [01] WING TO BODY FAIRING SUPPORT AT BS 663 - BS 674 ; RBL 26 - RBL 28 WL 140 FOUND TO BE OUT OF LIMITS DUE TO MATERIAL LOSS IS MORE THAN 50% IAW SRM53-40-71-1A-1; [02] REMOVED THE DAMAGED WING TO BODY FAIRING SUPPORT FROM BS 663 - BS 674 ; RBL 26 - RBL 28 WL 140 ; IAW SRM 51-40-02-0G-0; [03] FABRICATED WING TO BODY FAIRING SUPPORT BS 663 - BS 674 ; RBL 26 - RBL 28 WL 140 FROM MAT BAC1505-101645#7075-T3 LOT# 1439887-1; LOCATED AND DRILLED NEW PART IAW SRM 51-40-02-0G-0 DWG 149A7214 OK TREAT AND PRIMER; [04] VERIFIED ITEM 3 CORRECTIVE ACTIONS. OK TO TREAT AND PRIME.; [05] APPLIED A CHEMICAL CONVERSION COATING AND PRIMED THE NEW WING TO BODY FAIRING SUPPORT AT BS 663 - BS 674 ; RBL 26 - RBL 28 WL 140 IAW SOPM 20-43-03 AND SOPM 20-44-04 OK TO INSTALL .; [06] VERIFIED CORRECTIVE ACTION 5. OKAY TO INSTALL; [07] INSTALLED THE NEW WING TO BODY FAIRING SUPPORT AT BS 663 - BS 674 ; RBL 26 - RBL 28 WL 140 IAW SRM 51-40-02-0G-0 ; DWG # 149A7210 ; AND DWG # 149A7216; [08] VERIFIED CORRECTIVE ACTION 7; [09] OKAY TO INSTALL PANEL 192JR AND EXHAUST PANEL; [10] COMPLETED STEPS 1 AND 2; [11] COMPLETED STEP 1 AND 2