Service difficulty report · Floorbeam · Boeing 7377Q8

Difficulty date
March 15, 2022
Submitted
April 12, 2022
Operation
Air carrier
Aircraft
N7874B
Make and model
Boeing 7377Q8
Aircraft serial
29352
Aircraft time
51,363 hours, 27,904 cycles
Part
Floorbeam
Condition
Corroded
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

CORROSION FLOOR STRUCTURE BEAM LOCATED BS986.5 RBL43 AND WL208.1 AT AFT GALLEY AREA 2022-131772 / [01] TOOL USED ULTRASONIC EQUIPMENT P/N: 45MG; S/N: 130063701; DUE DATE: 11-MAY-22;[02] TOOL USED. EDDY CURRENT EQUIPMENT. P/N: NORTEC 500D. S/N: N500X12101V022233. DUE DATE: 02-JUN-22.;[03] REPAIRED FLOOR STRUCTURE BEAM LOCATED BS986.5 RBL43 AND WL208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 3 FIGURE 204 SEE INDIVIDUAL SIGN-OFFS BELOW.;[04] REPAIRED FLOOR STRUCTURE BEAM LOCATED BS986.5 RBL43 AND WL208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 3 FIGURE 204 SEE INDIVIDUAL SIGN-OFFS BELOW... RII ITEM

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