Service difficulty report · Beam · Boeing 7377H4

Difficulty date
July 6, 2022
Submitted
August 4, 2022
Operation
Air carrier
Aircraft
N487WN
Make and model
Boeing 7377H4
Aircraft serial
33854
Aircraft time
60,194 hours, 35,692 cycles
Part
Beam
Condition
Corroded
Location
Fuselage
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 AT LBL43 AND WL208.1 AT AFT GALLEY AREA 2022-355106 / [01] TOOL USED ULTRASONIC GAGE P/N: 45MG; S/N: 130061901; DUE DATE: 08-APR-23.;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 190023010; DUE DATE: 14-FEB-23.;[03] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 190023010; DUE DATE: 14-FEB-23.;[04] INSPECTION REJECT IN STEP 11<BR>SEE TTG8Q00DHR4N;[05] ITEM 4 COMPLETED; REJECTION DOCUMENTED ON STEP 11 RESOLVED; RII <BR><BR>SEE TASK TTG8Q00DHR4N;[06] REPAIRED FLOOR STRUCTURE BEAM LOCATED BS986.5 LBL43 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.;[07] CORRECTED STEP 6. REPAIRED FLOOR STRUCTURE BEAM LOCATED BS986.5 LBL43 AND WL208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4 FIGURE 205. SEE INDIVIDUAL SIGN-OFFS BELOW.;[08] REPAIRED FLOOR STRUCTURE BEAM LOCATED BS986.5 LBL43 AND WL208.1 AT AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6 ALTERNATIVE 4 FIGURE 205. SEE INDIVIDUAL SIGN-OFFS BELOW. COMPLETED AS RII Ï¿½TEM

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