Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
December 22, 2023
Submitted
January 16, 2024
Operation
Air carrier
Aircraft
N455WN
Make and model
Boeing 7377H4
Aircraft serial
32462
Aircraft time
64,648 hours, 38,599 cycles
Part
Floor Support
Part number
UNKNOWN
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

BS 500D-520; BL0; WL208; INTERCOSTAL ANGLE IS CRACKED.<[01] VERIFIED;[02] REMOVED AND REPLACED INTERCOSTAL ANGLE AT BS 500D-520; BL0; WL208 PER SRM 51-40-05-0G-0 AND PER DRAWING 143A5400.;[03] VERIFIED CORRECTIVE ACTION 2.;[04] REMOVED AND REPLACED BS 500D-520; BL0; WL208; INTERCOSTAL ANGLE PER SRM 51-40-05-0G-0 AND PER DRAWING 143A5400 AND MAINTENANCE WAS ACCOMPLISHED ON STEP 1;[05] VERIFIED CORRECTIVE ACTION ITEM 4.;[06] VERIFIED MEASUREMENT TABLE COMPLETED.

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