Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
November 5, 2021
Submitted
December 7, 2021
Operation
Air carrier
Aircraft
N451WN
Make and model
Boeing 7377H4
Aircraft serial
32495
Aircraft time
58,865 hours, 34,665 cycles
Part
Floorbeam
Condition
Corroded
Location
Fwd Cargo Bay
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 BEAM LOCATED BS312 AT LBL12 AND WL208.1 AT FWD GALLEY AREA ; 2021-511974 / [01] TOOL USED CALIPER P/N 700-113-10 S/N 0019289 DUE DATE 30-SEP-22; [02] TOOL USED: ULTRASONIC THICKNESS GAGE; P/N: 45MG; S/N: 130063701; CAL DUE DATE: 11-MAY-22; [03] TOOL USED PN NORTEC 600D SN 60009161631 DUE DATE 01-DEC-21; [04] TOOL USED: FLAPSPEED; P/N: FPK-PR0-104; S/N: PR0-3384; DUE DATE: 24-MAY-22. CALIPER; P/N:500-196-30; S/N:A20231592; DUE DATE: 11-AUG-22.; [05] TOOL USED: P/N: NORTEC 600D; S/N: 210138003; DUE DATE: 05-MAR-22; [06] TOOL USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112031023; DUE DATE: 22-JAN-22; TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 22-JAN-22.; [07] PERFORMED REPAIR ON FLOOR BEAM LOCATED BS312 AND WL 208.1 AT FWD GALLEY AREA IAW 737-700 SRM-53-10-51-2R-17 REPAIR 17 AND EA 21-153-03452. SEE INDIVIDUAL SIGN OFF BELOW; [08] CERTIFIED RII MAJOR REPAIR PERFORMED. <BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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