Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
April 8, 2024
Submitted
May 20, 2024
Operation
Air carrier
Aircraft
N927WN
Make and model
Boeing 7377H4
Aircraft serial
36889
Aircraft time
51,719 hours, 31,504 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Cracked
Location
Bs 540 Rbl 1
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

DURING INSPECTION OF THE WN CENTER SECTION FOUND; 1' CRACK; BELOW CABIN FLOOR; AT STA 540' RBL 1 INCH; ON UPPER SPAR CHORD. SEE DOT # 2.<[01] REMOVED AND REPLACED PANEL BREAK AT STA 540 RBL IAW SRM 51-40-02-0G-0.;[02] CORRECTION OF STEP 1: REMOVED AND REPLACED PANEL BREAK AT STA 540 RBL IAW SRM 51-40-02-0G-0 AND IPC 53-42-11-66.;[03] VERIFIED STEP 1 & 2

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