Service difficulty report · Floorbeam · Boeing 73771B

Difficulty date
November 27, 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
Floorbeam
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 ON SUPPORT ANGLE LOCATED FLOOR STRUCTURE BS 695 RBL 24.75 AT PASSENGER CABIN 2023-748075<[01] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 25-JAN-24; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 01-FEB-24.;[02] REPLACED SUPPORT ANGLE LOCATED FLOOR STRUCTURE BS 695 RBL 24.75 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02 AND SRM 51-10-02 ITEM 9; AND DWG: 273A9110 SHEET: 6 REV: A . SEE INDIVIDUAL SIGN-OFF BELOW.;[03] REPLACED SUPPORT ANGLE LOCATED FLOOR STRUCTURE BS 695 RBL 24.75 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02 AND SRM 51-10-02 ITEM 9; AND DWG: 273A9110 SHEET: 6 REV: A . SEE INDIVIDUAL SIGN-OFF BELOW.

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