Service difficulty report · Web · Boeing 7377H4

Difficulty date
July 6, 2023
Submitted
July 17, 2023
Operation
Air carrier
Aircraft
N242WN
Make and model
Boeing 7377H4
Aircraft serial
32505
Aircraft time
56,981 hours, 34,027 cycles
Part
Web
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

DURING DVI INSPECTION FOUND L/H VAPOR BARRIER WEB CRACKED AT STA 663 WL 167 LBL47<[01] EVALUATED DAMAGE; CRACKS ARE REPAIRABLE IAW B737 SRM 57-10-10-2R-2. TAP TEST GOOD; NO DELAMINATION NOTED. <BR><BR>CLEANED AND PREPPED REPAIR AREA IAW B737 SRM 51-70-04-2R-10 PAR 4 STEPS A; B; AND C. <BR><BR>VERIFIED REPAIR MATERIAL IAW B737 SRM 51-70-04-2R-0 TABLE 203: RESIN EY3804AB (A171928); FIBERGLASS CLOTH BMS9-3 (A184337). <BR><BR>REQUIRES OKAY TO BOND.;[02] VERIFIED STEP1 AND OK TO BOND;[03] BONDED REPAIR PLIES IAW B737 SRM SRM 51-70-04-2R-10 PAR 4 STEPS D THRU G; TAP TEST GOOD; OVEN B0-06 CAL DUE 7/27/23.;[04] VERIFIED STEP 3;[05] OK TO PRIME BOTH FWD AND AFT SIDES OF VAPOR BARRIER;[06] APPLIED PRIMER ON FWD AND AFT SIDES OF VAPOR BARRIER WEB IAW B737 SRM 51-70-04-2R-10 PAR 4.P;[07] VERIFIED STEP 6<BR><BR>OK TO PAINT;[08] APPLIED PAINT ON VAPOR BARRIER WEB IAW B737 SRM 51-70-04-2R-10 PAR 4.P;[09] VERIFIED STEP 8;[10] VERIFIED ALL STEPS ARE COMPLETE;[11] AUDIT C/W

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