Service difficulty report · Web · Boeing 737790

Difficulty date
October 1, 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
Web
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

FWD CARGO WEB CRACKED AT FASTENER HOLE BS 500 - BS 500A RBL 22 WL 154 ; / [01] REMOED WEB AT FWD CARGO BS 500 - BS 500A RBL 22 WL 154 IAW SRM 51-40-02-0G-0; [02] WEB FORMING AND HEAT TREATMENT ACCOMPLISHED ON PO#839725/1.; [03] LOCATED AND DRILLED REPLACEMENT WEB; APPLIED CHEMICAL CONV. COATING PER DWG# 143A0080 REV:-; SRM 51-40-05-0G-0 AND SOPM 20-43-03. OK TO PRIME.; [04] VERIFIED CORRECTIVE ACTION 3.; [05] APPLIED PRIMER TO FWD CARGO WEB BS 500-500A RBL 22 WL 154 PER AMM 51-21-72-370-804. OK TO INSTALL WEB ASSY.; [06] VERIFIED STEP 5.; [07] INSTALLED FCB WEB BS 500-500A; RBL 22 WL 154 PER SRM 51-40-02; DWG#143A0080.; [08] VERIFIED INSTALLED FCB WEB BS 500-500A; RBL 22 WL 154 PER SRM 51-40-02; DWG#143A0080.; [09] WORKSCOPE COMPLETE