Service difficulty report · Floor Support · Boeing 7377Q8

Difficulty date
March 8, 2023
Submitted
April 4, 2023
Operation
Air carrier
Aircraft
N7819A
Make and model
Boeing 7377Q8
Aircraft serial
30649
Aircraft time
65,235 hours, 39,673 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 MID CABIN BS540 LBL1 WL208.<[01] NO ALLOWABLE DAMAGE FOUND ON SRM PART TO BE REMOVED AND REPLACED I.A.W SRM 51-10-02-0G-0 PAR 9.C REPLACEMENT OF THE PART;[02] REMOVED DAMAGED BREAK PANEL AT STA 540 LBL 1; WL 207 IAW SRM 51-40-02-0G-0.;[03] LOCATED AND DRILLED NEW PANEL BREAK I.A.W BOIEING DRAWING 143A0060 AND SRM. 51-10-05-OG-0. OK TO INSTALL.;[04] VERIFIED CORRECTIVE ACTIONS 1 AND 3; OK TO INSTALL GIVEN.;[05] VERIFIED MEASUREMENT TABLE.;[06] PRIOR TO REMOVED CRACKED FLOOR SUPPORT AT MID CABIN BS540 LBL1 WL208 REMOVED PASSENGER CABIN FLOOR PANEL 231UF FOR ACCESS PER AMM 53-21-00-000-801.;[07] INSTALLED NEW PANEL BREAK I.A.W BOEING DRAWING 143A0060 AND SRM. 51-40-02-OG-0.;[08] OK TO INSTALL PASSENGER CABIN FLOOR PANEL 231UF.;[09] VERIFIED CORRECTIVE ACTION 7.;[10] VERIFIED CORRECTIVE ACTION 7.;[11] INSTALLED PASSENGER CABIN FLOOR PANEL 231UF I.A.W AMM 53-21-00-400-801<BR>SCREW GUN USED<BR>ATS674<BR>S/N UNKNOWN<BR>DUE 10/2023<BR>COMPLETED TASK;[12] VERIFIED CORRECTIVE ACTION 11.

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