Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
December 21, 2024
Submitted
January 8, 2025
Operation
Air carrier
Aircraft
N8659D
Make and model
Boeing 7378H4
Aircraft serial
36901
Aircraft time
33,252 hours, 16,127 cycles
Part
Floorbeam
Condition
Cracked
Location
Zone 200
Stage of operation
IN
How discovered
V
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

WING CENTER SECTION FLOOR SUPPORT AT STA 540 LBL1 AND RBL1 HAS CRACK STREAMER ATTACHED. DOT#P862.<[01] REMOVED AND REPLACED FLOOR SUPPORTS PN 143A5240-63 PO#0 AND 143A5240-64 PO#1109294.1 AT STA 540 LBL1 AND RBL1 IAW B737NG-SRM 51-40-02 AND BAC DWG#143A0060 REV.-;[02] VERIFIED REMOVED AND REPLACED FLOOR SUPPORTS PN 143A5240-63 PO#0 AND 143A5240-64 PO#1109294.1 AT STA 540 LBL1 AND RBL1 IAW B737NG-SRM 51-40-02 AND BAC DWG#143A0060 REV.-

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