Service difficulty report · Web · 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
Web
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 WEB BS 1026 TO BS 1033 LBL-6 WL-208. / [01] DAMAGE FOUND AT CABIN FLOOR WEB BS 1026; LBL 6; 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 CABIN FLOOR WEB BS 1006 - 1034 LBL 6; WL 208 IAW SRM 51-40-02;[04] LOCATED AND DRILLED THE NEW CABIN FLOOR WEB P/N 147A5620-15 IAW SRM 51-40-05 ; OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTION 3 AND 4 OK TO INSTALL;[06] INSTALLED NEW CABIN FLOOR WEB P/N 147A5620-15 IAW SRM 51-40-02 AND DWG 147A5600 AND 140A9870;[07] REJECTION SEE STEP 1;[08] CORRECTED MEASUREMENT TABLE;[09] UPDATED STEP 1;[10] CORRECTED STEP 1 REJECTION;[11] VERIFIED CORRECTIVE ACTION #8; 9; 10