Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
July 13, 2022
Submitted
August 19, 2022
Operation
Air carrier
Aircraft
N495WN
Make and model
Boeing 7377H4
Aircraft serial
33869
Aircraft time
59,256 hours, 35,036 cycles
Part
Floorbeam
Condition
Corroded
Location
Aft Galley
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 FLOORBEAM LOCATED BS 986.5 AT LBL 44 AND WL 208.1 AFT GALLEY AND LAV. 2022-365532 / [01] TOOL USED: ULTRASONIC THICKNESS GAUGE; PN:45MG; SN: 130061901; DUE DATE: 08-APR-23;[02] EQUIPMENT P/N PHASEC 3D; S/N CZ1026/09; DUE DATE: 08-SEP-22 WAS USED.;[03] EQUIPMENT P/N PHASEC 3D; S/N CZ1026/09; DUE DATE: 08-SEP-22 WAS USED.;[04] REPAIRED FLOOR BEAM LOCATED BS 986.5 AT LBL 44 AND WL 208.1 AFT GALLEY AND LAV IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6.THIS REPAIR IS CATEGORY A. SEE INDIVIDUAL SIGNOFF BELOW;[05] CORRECTED STEP 4:<BR>REPAIRED FLOOR BEAM LOCATED BS 986.5 AT LBL 44 AND WL 208.1 AFT GALLEY AND LAV IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6.THIS REPAIR IS CATEGORY A. TOOL USED ELECTRONIC CALIPER PN: 500-196-30 SN:A21033429 DUE DATE:02NOV22.SEE INDIVIDUAL SIGNOFF BELOW;[06] REPAIRED FLOORBEAM LOCATED BS 986.5 AT LBL 44 AND WL 208.1 AFT GALLEY AND LAV IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6.THIS REPAIR IS CATEGORY A. TOOL USED ELECTRONIC CALIPER PN: 500-196-30 SN:A21033429 DUE DATE:02NOV22. ITEM RII SEE INDIVIDUAL SIGNOFF BELOW

More about the Boeing 737-7H4