Service difficulty report · Barrier · Boeing 7377H4

Difficulty date
August 29, 2022
Submitted
September 26, 2022
Operation
Air carrier
Aircraft
N262WN
Make and model
Boeing 7377H4
Aircraft serial
32519
Aircraft time
52,840 hours, 31,906 cycles
Part
Barrier
Condition
Cracked
Location
Center Wing
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

RH SIDE WHEEL WELL VAPOR BARRIER AT STA 663 RBL-40 CRACKED AND PRIOR REPAIR DISBONDING / [01] MEASUREMENT;[13] SUMMARY= PERFORMED VISUAL INSPECTION ON R\H VAPOR BARRIER AND FOUND CRACK OF 11' AND FOUND CONTAMINATION PER B737NTM 51-05-01 PERFORMED STOP DRILL SIZE 0.25 DIAMETER AT THE AND OF CRACK PER B737SRM 57-10-10-2R-2 STEP(6.B) PREPARED VAPOR BARRIER TO APPLY 24HR DRY-OUT PROCESS PER B737 SRM<BR>51-70-04-2R-0 PARAGRAPH(4D)APPLIED THE FABRIC REPAIR PLIES AT DAMAGED AREA AT R\H VAPOR BARRIER REF B737-700 B737SRM 57-10-10-2R-2 AND 57-70-04-2R-10 PARAGRAPH 4 D;E AND F. MATERIAL USED PO#:1690463 AND PO#: 1778994. PERFORMED VISUAL INSPECTION AND TAP TEST INSPECTION AT REPAIRED AREA; NO DELAMINATION FOUND; NO DAMAGED NOTED AT COMPOSITE MATERIAL RESTORED FINISH ON BOTH SIDES OF VAPOR BARRIER AS PER B -737-700 AMM= 51-21-72-370-804 AND AMM=51-21-81-370-802;[14] VERIFIED STEP. 13 (SUMMARY REPAIR.)

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