Service difficulty report · None · Boeing 737

Difficulty date
March 26, 2022
Submitted
May 4, 2022
Operation
Air carrier
Aircraft
N427WN
Make and model
Boeing 737
Aircraft serial
29831
Aircraft time
66,803 hours, 39,311 cycles
Part
None
Part number
143A524036
Condition
Cracked
Location
Pax Cabin
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 FLOOR STRUCTURE LOCATED BS 540 BTW BL 0 TO RBL 24.75 AT PASSENGER CABIN 2022-165085 / [01] REPLACED FLOOR STRUCTURE ON BS 540 BTW BL 0 TO RBL 24.75 AT PASSENGER CABIN IAW B737-700 SRM 51-10-02 AND DWG 143A0060; SHEET 36; REV. A. PART USED: 143A5240-36; PO: SW2022000609. SEE INDIVIDUAL SING-OFFS BELOW.;[02] CORRECTED STEP 1. REPLACED FLOOR STRUCTURE ON BS 540 BTW BL 0 TO RBL 24.75 AT PASSENGER CABIN IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG 143A0060; SHEET 36; REV. A. PART USED: 143A5240-36; PO: SW2022000609. SEE INDIVIDUAL SING-OFFS BELOW.;[03] REPLACED FLOOR STRUCTURE ON BS 540 BTW BL 0 TO RBL 24.75 AT PASSENGER CABIN IAW B737-700 SRM 51-10-02 ITEM 9 AND DWG 143A0060; SHEET 36; REV. A. PART USED: 143A5240-36; PO: SW2022000609. SEE INDIVIDUAL SING-OFFS BELOW.<BR>TASK COMPLETED RII