Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
September 1, 2022
Submitted
October 5, 2022
Operation
Air carrier
Aircraft
N952WN
Make and model
Boeing 7377H4
Aircraft serial
36667
Aircraft time
39,061 hours, 23,816 cycles
Part
Floor Support
Condition
Cracked
Location
Bs 540
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 ON MID PASSENGER CABIN FLOOR SUPPORT AT BS 540 RBL 2. / [01] REMOVED MID PASSENGER CABIN FLOOR SUPPORT BS 540 BETWEEN RBL 25 AND BL 0 IAW SRM 51-40-02 ; LOCATED AND DRILLED NEW MID PASSENGER CABIN FLOOR SUPPORT IAW SRM 51-40-05 ; OK TO INSTALL;[02] VERIFIED THE APPLICABILITY OF SRM 51-40-02-0G-0;[03] VERIFIED CORRECTIVE ACTION 1 AND 2.<BR>OK TO INSTALL;[04] INSTALLED MID PASSENGER CABIN FLOOR SUPPORT BS 540 BETWEEN RBL 25 AND BL 0 IAW SRM 51-40-02 AND DWG # 143A5240;[05] VERIFIED CORRECTIVE ACTION 4;[06] VERIFIED MEASUREMENT TABLE

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