Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
April 23, 2022
Submitted
May 19, 2022
Operation
Air carrier
Aircraft
N474WN
Make and model
Boeing 7377H4
Aircraft serial
33861
Aircraft time
59,626 hours, 35,442 cycles
Part
Floorbeam
Part number
147A55068
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 ON FLOOR BEAM LOCATED ON BS 986.5 RBL 43 WL 208.1 AFT GALLEY AREA 2022-211517 / [01] TOOL USED ULTRASONIC EQUIPMENT PN: 35DL; SN: 091419910; DUE DATE: 26 JAN 23;[02] TOOL EDDY CURRENT USED P/N: NORTEC 600 S/N: 210136503 AND DUE DATE: 11-APR-23.;[03] PERFORMED REPAIR FLOOR BEAM LOCATED ON BS 986.5 RBL 38 TO RBL 47 AND WL 208.1 AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. SEE INDIVIDUAL SIGN OFF BELOW;[04] CORRECTED STEP 3: PERFORMED REPAIR FLOOR BEAM LOCATED ON BS 986.5 RBL 38 TO RBL 47 AND WL 208.1 AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. SEE INDIVIDUAL SIGN OFF BELOW. SEE INDIVIDUAL SING-OFFS BELOW;[05] CERTIFIED RII MAJOR REPAIR PERFORMED.

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