Service difficulty report · Beam · Boeing 73779P

Difficulty date
February 11, 2023
Submitted
March 21, 2023
Operation
Air carrier
Aircraft
N7857B
Make and model
Boeing 73779P
Aircraft serial
29358
Aircraft time
53,322 hours, 35,875 cycles
Part
Beam
Condition
Cracked
Location
Zn 200 Fus Top
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 FLOOR BEAM LOCATED BS294.5 RBL53 AT FWD GALLEY AREA 2023-116773<[01] TOOL USED EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 220272512; DUE DATE: 17-DEC-23.;[02] TOOL USED EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 220272512; DUE DATE: 17-DEC-23.;[03] TOOLS USED: TEMPERATURE CONTROLLER P/N P3015GOES00000 S/N 112031023 DUE DATE 01 FEB 24; P/N P3015GOES00000 S/N 112820025 DUE DATE 01 FEB 24.;[04] TOOL USED: POWER PACK P/N PE1068 S/N PE0118-94826 DUE DATE: 16-MAY-23. MULTIMETER P/N FLUKE 1587 S/N 38200035 DUE DATE: 15-DEC-23. FLUKE 566 S/N 58210036WS DUE DATE: 10-JAN-24.;[05] REPAIRED FLOOR BEAM LOCATED BS294.5 RBL12 TO RBL60 AT FWD GALLEY AREA IAW B737-700 SRM 53-10-51-2R-16 REPAIR 16; FIGURE 202 DETAIL G. SEE INDIVIDUAL SIGN OFFS BELOW.;[06] REPAIRED FLOOR BEAM LOCATED BS294.5 RBL12 TO RBL60 AT FWD GALLEY AREA IAW B737-700 SRM 53-10-51-2R-16 REPAIR 16; FIGURE 202 DETAIL G. SEE INDIVIDUAL SIGN OFFS BELOW.

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