Service difficulty report · None · Boeing 7377H4

Difficulty date
September 10, 2022
Submitted
October 12, 2022
Operation
Air carrier
Aircraft
N205WN
Make and model
Boeing 7377H4
Aircraft serial
34010
Aircraft time
59,229 hours, 35,208 cycles
Part
None
Condition
Corroded
Location
Cabin Floor
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

CABIN FLOOR WEB IS CORRODED AT CAP STRIP AT B/S 1024-1028 3' LEFT OF CENTER LINE / [01] REMOVED CORROSION AT CAP STRIP(STRAPS) AT AFT WET AREA B/S1024 TO 1028 LBL 3 PER REF SRM 51-10-02-0.;[02] VERIFIED STEP #1;[03] PERFORMED UT THICKNESS INSP ON REWORKED AREA; IAW B 737 NDT PART 4 51-00-00 PROCE 3. TOOL OLYMPUS 27MG. BC 172139. CALIB DUE 4-13-23. MINI THICK 0.062'.;[04] EVALUATED REWORKED AREA; ORIGINAL MAT 0.071';MATERIAL REMAINING 0.062';MAT LOST 0.009'; FOUND TO BE OUT OF LIMITS. PER REF SRM 53-70-51-1A-1.;[05] VERIFIED 4;[06] LOCATED AND DRILLED NEW STRAP AS PER REF SRM 51-40-05-0G-0;[07] LATE ENTRY. REMOVED STRAP AT CABIN FLOOR STA 1016 TO STA 1026 AS PER REF SRM 51-40-02-0G-0;[08] VERIFIED STEPS 6 AND 7. OK TO INSTALL NEW STRAP.;[09] INSTALLED NEW STRAP AS PER SRM 51-40-02-0G-0 AND DWG 147A5600;[10] VERIFIED STEP 9.

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