Service difficulty report · Gusset · Boeing 737

Difficulty date
December 3, 2021
Submitted
April 28, 2022
Operation
Air carrier
Aircraft
N234WN
Make and model
Boeing 737
Aircraft serial
32502
Aircraft time
52,359 hours, 31,270 cycles
Part
Gusset
Condition
Cracked
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

SUPPLEMENTAL INFORMATION: FWD CARGO BAY GUSSET IS CRACKED AT BS500D COMMON TO STR 21R ; / [01] EVALUATED GUSSET; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED EVALUATED GUSSET; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [03] REMOVED FWD CARGO BAY GUSSET BS 500D COMMON TO STR 21R; PER SRM 51-40-02-0G-0; [04] RECEIVED NEW GUSSET FROM OSS; MATERIAL USED 7075T62 0.040' CLAD LOT# 1468510-2 R0 #848184-SWA. LOCATED AND DRILLED GUSSET PER SRM 51-40-05-0G-0; AND DWG 143A7902; [05] APPLIED CHEMICAL CONVERSION COATING AND PRIMER ON FWD CARGO BAY GUSSET BS 500D COMMON TO STR 21R PER AMM 51-21-41-370-802 AND 51-21-72-370-804.; [06] OK TO INSTALL; [07] VERIFIED NEW GUSSET FABRICATED AND DRILLED UP PER SRM 51-40-05-0G-0 AND DWG 143A7902. <BR>VERIFIED CHEMICAL CONVERSION COATING AND PRIMER ON APPLIED ON NEW FWD CARGO BAY GUSSET PER AMM 51-21-41-370-802 AND 51-21-72-370-804.<BR>OKAY TO INSTALL NEW GUSSET.; [08] INSTALLED NEW FWD CARGO BAY GUSSET BS 500D TO STR 21R; IAW SRM 51-40-02-0G-0 DWG 143A7902; [09] VERIFIED CORRECTIVE ACTIONS STEP 8.