Service difficulty report · Intercostal · Boeing 737*

Difficulty date
February 15, 2022
Submitted
March 10, 2022
Operation
Air carrier
Aircraft
N458WN
Make and model
Boeing 737*
Aircraft serial
33857
Aircraft time
60,475 hours, 35,929 cycles
Part
Intercostal
Part number
148A2261U25
Condition
Corroded
Location
Cabin Floor
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 FLOOR STRUCTURE INTERCOSTAL-SEAL AT BST 1016 MORE 6 INCH; WL 208.1 AT LEVEL STR 17 RH AND BETWEEN RBL 16 TO RBL 26 AT PASSENGER CABIN 2022-55867 / [01] REPLACED INTERCOSTAL-SEAL AT BST 1016 MORE 6 INCH; WL 208.1 AT LEVEL STR 17 RH AND BETWEEN RBL 16 TO RBL 26 AT PASSENGER CABIN IAW B737-700 SRM 5-<BR>51-40-02; SRM 51-10-02 AND DWG 148A0922 SHEET 11 REV: -. SEE INDIVIDUAL SIGN OFF BELOW.;[02] CORRECTED STEP 1<BR>REPLACED INTERCOSTAL-SEAL AT BST 1016 MORE 6 INCH; WL 208.1 AT LEVEL STR 17 RH AND BETWEEN RBL 16 TO RBL 26 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02; SRM 51-10-02 AND DWG 148A0922 SHEET 11 REV: -. SEE INDIVIDUAL SIGN OFF BELOW.;[03] TASK COMPLETED ; RII <BR>SEE INDIVIDUAL SIGN OFF BELOW