Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
May 2, 2023
Submitted
May 30, 2023
Operation
Air carrier
Aircraft
N416WN
Make and model
Boeing 7377H4
Aircraft serial
32453
Aircraft time
70,967 hours, 42,001 cycles
Part
Floor Support
Condition
Cracked
Location
Zn 200 Fus Top
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 FLOOR SUPPORT AT STA 540; LBL 1; WL 207.8<[01] NO DAMAGE LIMITS GIVEN IN SRM; PART HAS MULTIPLE CRACKS; PART IS REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 STEP 9; REMOVED CRACK DAMAGED BREAK PANEL ASSYEMBLY AT BS 540 LBL1 TO LBL 23 IAW SRM 51-40-02-0G-0 LOCATED AND DRILLED NEW BREAK PANEL ASSYEMBLY IAW SRM 51-40-05-0G-0 OK TO INSTALL.;[02] OK TO INSTALL.;[03] INSTALLED NEW BREAK PANEL AT BS 540 LBL 1 TO LBL 23 WL 206.5 IAW SRM 51-40-02-0G-0 AND AIPC 53-31-00-05;[04] RII; VERIFIED CORRECTIVE ACTION 3.;[05] VERIFIED MEASUREMENT TABLE; TASK IS COMPLETE.

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