Service difficulty report · Floor Support · Boeing 7377BD

Difficulty date
November 10, 2022
Submitted
December 6, 2022
Operation
Air carrier
Aircraft
N7741C
Make and model
Boeing 7377BD
Aircraft serial
35788
Aircraft time
51,579 hours, 26,914 cycles
Part
Floor Support
Condition
Cracked
Location
Bs 380-400 Lbl 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

MAIN CABIN BS380 TO BS400 LBL 1 WL 208.1 INTERCOSTAL CRACKED / [01] REMOVED ANGLE SUPPORT AT MAIN CABIN BS 380 TO BS 400 LBL 1 WL 208.1 REF SRM 51-40-02-0G-0;[02] CORRECTION STEP;# 1: REMOVED INTERCOSTAL UPPER CHORD (ANGLE SUPPORT) AT MAIN CABINBS380 TO BS400 LBL 1. REF. SRM. 51-40-02-0G-0.;[03] VERIFIED 1;[04] OK TO INSTALL NEW CHORD;[05] INSTALLED NEW CHORD (ANGLE SUPPORT) UPPER INTERCOSTAL AT MAIN CABIN BS380 TO BS400 LBL. 1 PN.143A5410U174. REF. SRM. 51-40-02-0G-0.;[06] VERIFIED 5

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