Service difficulty report · Intercostal · Boeing 737*

Difficulty date
February 3, 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
Intercostal
Condition
Cracked
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

CRACKED INTERCOSTAL STA 312-328; LBL 44; WL 208. / [01] UPDATED MEASUREMENTS.;[02] REMOVED INTERCOSTAL ON STA 312-328; LBL 44; WL 44; WL 208 IAW SRM 51-40-02-0G-0 ITEM 7.D AND RECEIVE PO/LOT 233222/033530. OK TO INSTALL;[03] REMOVED INTERCOSTAL ON STA 312-328; LBL 44; WL 208 IAW SRM 51-40-02-0G-0 TEM 7.D RECEIVE PO/LOT 234228/033194 LOCATED HOLES; DRILLED; AND DEBURRED IAW SRM 51-40-05. OK TO INSTALL.;[04] VERIFIED CORRECTIVE ACTION ITEMS 1-3<BR>OK TO INSTALL;[05] INSTALLED INTERCOSTAL ON STA 312-328; LBL 44; WL 208 IAW SRM 51-40-02-0G-0 ITEM 7.D AND DWG 141A5400;[06] VERIFIED CORRECTIVE ACTION ITEM 5.<BR><BR>* * FLOOR PANEL FASTENER HOLES REQUIRE LOCATING AND DRILLING .;[07] LOCATED AND DRILLED FASTENER FLOOR PANEL HOLE IAW SRM 51-40-05-0G-0 AND BOEING DWG 141A5400;[08] VERIFIED CORRECTIVE ACTION 7.