Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
September 1, 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
Floor Support
Condition
Cracked
Location
Bs 344 Rbl 32
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

CRACK ON FWD PASSENGER CABIN INTERCOSTAL AT RBL 32 BS 344+5. / [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 .6' IN AREA MARKED.<BR>EQUIP USED:<BR>-NORTEC 600 ID: ATS2353 CAL DUE: 01/23;[03] REMOVED INTERCOSTAL FROM BS344 - BS360 RBL 32 IAW SRM 51-40-02;[04] LOCATED AND DRILLED NEW INTERCOSTAL FROM BS344 - BS360 RBL 32. P/N#141A5410U25; PO#882879 IAW SRM 51-40-05 AND IAW DWG#141A5400.... OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTION 4.<BR>OK TO INSTALL;[06] INSTALLED INTERCOSTAL FROM BS344 - BS360 RBL 32 IAW SRM 51-40-02 AND IAW DWG#141A5400.;[07] INSPECTED ACTION 6;[08] INSPECTION COMPLETE;[09] VERIFIED MEASUREMENT TABLE

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