Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
August 20, 2022
Submitted
September 28, 2022
Operation
Air carrier
Aircraft
N431WN
Make and model
Boeing 7377H4
Aircraft serial
29845
Aircraft time
66,939 hours, 39,408 cycles
Part
Floor Support
Condition
Cracked
Location
Bs 380-400
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

CABIN FLOOR INTERCOSTAL BS 380-400 RBL 10 CRACKED AT UPPER ANGLE SCREW HOLE. 8-48 / [01] REMOVED UPPER ANGLE ON INTERCOSTAL AT BS 380-400; RBL 10 AS PER B737-700 SRM 51-40-02-0G-0.;[02] LOCATED AND DRILLED NEW UPPER ANGLE ON INTERCOSTAL STA 380-400; RBL 10 AS PER B737-700 SRM 51-40-05-0G-0; DWG #143A5400.;[03] VERIFIED 1-2. OK TO INSTALL NEW ANGLE.;[04] INSTALLED NEW UPPER ANGLE ON INTERCOSTAL STA 380-400; RBL 10 AS PER B737-700 SRM 51-40-02-0G-0; DWG #143A5400.;[05] REMOVED AND REPLACED UPPER ANGLE ON INTERCOSTAL AT STA 380-400; RBL 10 AS PER B737-700 SRM 51-40-02-0G-0; DWG #143A5400.;[06] VERIFIED AND INSPECTED STEP#4 AND #5.

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