Service difficulty report · Floor Support · Boeing 73771B

Difficulty date
December 4, 2023
Submitted
December 29, 2023
Operation
Air carrier
Aircraft
N7845A
Make and model
Boeing 73771B
Aircraft serial
29366
Aircraft time
50,501 hours, 32,811 cycles
Part
Floor Support
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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 WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN STA312 TO STA328 AND RBL31 WL208.1 FWD GALLEY AND LAV 2023-748389<[01] REPLACED WEB-INTERCOSTAL LOCATED BETWEEN STA312 TO STA328 AND RBL31 WL208.1 FWD GALLEY AND LAV I.A.W B73-700 SRM 51-10-02 ITEM 9 AND DWG# 141A540; SHEET: 39;REV:- SEE INDIVIDUAL SIGN OFF BELOW.;[02] REPLACED WEB-INTERCOSTAL LOCATED BETWEEN STA312 TO STA328 AND RBL31 WL208.1 FWD GALLEY AND LAV I.A.W B73-700 SRM 51-10-02 ITEM 9 AND DWG# 141A540; SHEET: 39;REV:- SEE INDIVIDUAL SIGN OFF BELOW.<BR>RII

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