Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
September 2, 2022
Submitted
October 5, 2022
Operation
Air carrier
Aircraft
N952WN
Make and model
Boeing 7377H4
Aircraft serial
36667
Aircraft time
39,061 hours, 23,816 cycles
Part
Intercostal
Part number
143A5410
Condition
Cracked
Location
Cabin Floor
Stage of operation
IN
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 AT PASSENGER CABIN BS380+14 RBL9 WL208. / [01] REQUIRE NDI TO VERIFY FOR CRACK;[02] HFEC INSPECTED SUSPECTED CRACKED AREA IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23.<BR>CRACK NOTED TO BE .3' AT AREA MARKED.<BR>EQUIP USED:<BR>-NORTEC 600 ID: ATS2353 CAL DUE: 01/23;[03] REMOVED CRACKED INTERCOSTAL AT PASSENGER CABIN BS380+14 PER REF SRM 51-40-02;[04] LOCATED AND DRILLED NEW ANGLE 143A5410-170 AT BS380+14 RBL9 W/L 208 IAW SRM 51-40-05 AND DWG 143A5410 AND OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTION ITEM 3-4; OK TO INSTALL.;[06] INSTALLED NEW ANGLE AT BS380+14 RBL 9; W/L 208 IAW SRM 51-40-02 AND DWG #143A5410;[07] INSTALLATION COMPLETE;[08] INSTALLATION COMPLETE

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