Service difficulty report · Strap · Boeing 737*

Difficulty date
February 10, 2022
Submitted
March 15, 2022
Operation
Air carrier
Aircraft
N465WN
Make and model
Boeing 737*
Aircraft serial
33829
Aircraft time
59,870 hours, 35,575 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 FLOOR WEB STRAP BS 1027 RBL 17 WL 208. / [01] DAMAGE FOUND AT CABIN FLOOR WEB STRAP BS 1027; RBL 17; WL 208 FOUND TO BE OUT OF LIMIT DUE TO NO LIMIT ON SRM; PARTS WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0 PAR. 9C;[02] VERIFIED CORRECTIVE ACTION ITEM 1.;[03] REMOVED FLOOR WEB STRAP BS 1027; RBL 17; WL 208 IAW SRM 51-40-02;[04] FABRICATED NEW FLOOR WEB STRAP BS 1016 - BS 1028 RBL 17 ; WL 208 ; MATERIAL USED 7075T6 #0.050' LOT#5087747-1 LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG #147A5744 ; OK TO TREAT AND PRIME;[05] VERIFIED CORRECTIVE ACTION ITEM 4. OK TO APPLY CHEMICAL CONVERSION COATING & PRIMER GIVEN.;[06] APPLIED A CHEMICAL CONVERSION COATING AND PRIMER TO THE NEW FLOOR WEB STRAP BS 1016 - BS 1028 RBL 17 ; WL 208 IAW SRM 51-20-01 AND SOPM 20-41-02 ; OK TO INSTALL;[07] VERIFIED CORRECTIVE ACTION ITEM 6.<BR>OK TO INSTALL NEW FLOOR WEB STRAP AT BS 1016 - BS 1028; RBL 17; WL 208 GIVEN.;[08] INSTALLED FLOOR WEB STRAP BS 1027; RBL 17; WL 208 IAW SRM 51-40-02 AND DWG NBR 147A5600;[09] VERIFIED CORRECTIVE ACTION 8;[10] CORRECTED PART NUMBER;[11] VERIFIED TASK COMPLETE