Service difficulty report · Strap · Boeing 737*

Difficulty date
February 4, 2022
Submitted
March 3, 2022
Operation
Air carrier
Aircraft
N469WN
Make and model
Boeing 737*
Aircraft serial
33859
Aircraft time
59,572 hours, 35,384 cycles
Part
Strap
Condition
Corroded
Location
Aft 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 AFT SHEARWEB STRAP STA 1016-1018; RBL 3; WL 208. / [01] NO ALLOWABLE LIMITS FOUND ON SRM FOR SHEAR WEB STRAP BS1016-1018 RBL3 WL208 PART TO BE REMOVED AND REPLACED I.A.W.SRM 51-10-02-0G-0 PAR 9.C;[02] VERIFIED CORRECTIVE ACTION STEP 1.;[03] REMOVED SHEAR WEB STRAP BS1016-1018 RBL3 WL208 I.A.W SRM 51-40-02-0G-0;[04] LOCATED AND DRILLED NEW AFT SHEAR WEB STRAP BS1016-1018 RBL3 WL208 IAW SRM 51-40-05-0G-0 AND DWG 147A5730;[05] VERIFIED CORRECTIVE ACTION ENTRY 4. OK TO INSTALL GIVEN.;[06] OK TO INSTALL;[07] VERIFIED OK TO INSTALL;[08] INSTALLED NEW SHEAR WEB STRAP BS1006-1028 LBL3 WL208 IAW SRM 51-40-02-0G-0 AND DWG 147A5730;[09] VERIFIED CORRECTIVE ACTION STEP 8.;[10] COMPLETE;[11] UPDATED MEASUREMENT 15.;[12] CERTIFIED EDIT OF MEASUREMENT TABLE.