Service difficulty report · Web · Boeing 7377BD

Difficulty date
June 25, 2022
Submitted
July 27, 2022
Operation
Air carrier
Aircraft
N7732A
Make and model
Boeing 7377BD
Aircraft serial
34861
Aircraft time
52,541 hours, 28,248 cycles
Part
Web
Condition
Cracked
Location
L/H Mlg W/W
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

L/H MAIN W/W FWD WALL; VERTICAL PRESSURE WEB HAS A CRACK. STA-663 LBL-40 / [01] MEASUREMENTS;[02] REMOVED PREVIOUS REPAIR AND PERFORMED VISUAL INSPECTION FOUND CRACK SIZE 16' AND FOUND UNWANTED MATERIAL ON VAPOR BARRIER PER B737NTM51-05-01 PART 1;[03] PREPARED DAMAGED AREA TO APPLY 24HR DRY OUT ON VAPOR BARRIER AT DAMAGED AREA PER B737 SRM 51-70-04-2R-0 PARAGRAPH(4.D);[04] VERIFIED STEPS 2 AN 3<BR>OK TO DRY OUT;[05] PERFORMED DRY OUT AND APPLIED THE FABRIC REPAIR PLIES AT DAMAGED AREA ON L/H MAIN W/W FWD WALL; VERTICAL PRESSURE WEB (VAPOR BARRIER) PER B737 SRM 51-70-04-2R-0 PARAGRAPH(4.D;E;F).;[06] PERFORMED VISUAL INSPECTION AND TAP TEST INSPECTION AROUND THE REPAIR AREA; NO DELAMINATION FOUND; NO DAMAGED NOTE AT COMPOSITE MATERIAL AS PER <BR>B737NTM51-05-01 PART 1.;[07] VERIFIED STEPS 5 AND 6. OK TO TOP COAT;[08] APPLIED TEFLON PAINT ON L/H MAIN W/W FWD WALL ;VERTICAL PRESSURE WEB REF B 737 AMM 51-21-81-370-801;[09] VERIFIED STEP 8;[10] STEP 4 WAS ACCOMPLISHED AS RII

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