Service difficulty report · Floorbeam · Boeing 73771B

Difficulty date
September 19, 2024
Submitted
October 23, 2024
Operation
Air carrier
Aircraft
N7854B
Make and model
Boeing 73771B
Aircraft serial
29372
Aircraft time
51,205 hours, 33,957 cycles
Part
Floorbeam
Condition
Cracked
Location
Zone 200
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

AAI REPORT: PASSENGER CABIN; FLOOR STRUCTURE SUPPORT HAS CRACK AT STA 540; BL 0 RBL 24.75 2024-572932<[01] INSTALLED NEW PANEL BREAK AND PLATE AND FASTENERS FLOOR STRUCTURE AT STA 540; BL 0 AND RBL 24.75 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02-0G-0 DWG 143A5240 SHEET 14 REV-;DWG 143A0060 SEE INDIVIDUAL SIGN OFF BELOW;[02] CORRECTED STEP1<BR>REPLACED PANEL BREAK AND PLATE FLOOR STRUCTURE AT STA 540; BL 0 AND RBL 24.75 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02-0G-0; SRM 51-10-02-0G-0 DWG 143A5240 SHEET 14 REV-;DWG 143A0060 SEE INDIVIDUAL SIGN OFF BELOW;[03] CORRECTED STEP 1 AND 2.<BR>REPLACED PANEL BREAK FLOOR STRUCTURE AT STA 540; BL 0 AND RBL 24.75 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02-0G-0; SRM 51-10-02-0G-0 PARAGRAPH 9 AND DWG 143A5240 SHEET 14 REV-;DWG 143A0060 SHEET 46 REV- SEE INDIVIDUAL SIGN OFF BELOW.;[04] JOB COMPLETED

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