Service difficulty report · Barrier · Boeing 7377H4

Difficulty date
July 23, 2022
Submitted
August 2, 2022
Operation
Air carrier
Aircraft
N210WN
Make and model
Boeing 7377H4
Aircraft serial
34162
Aircraft time
58,538 hours, 34,888 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

CUSTOMER REQUEST TF- STA 663 L/H VAPOR BARRIER WEB CRACKED LBL 36 / [01] EVALUATED AND FOUND 3 EA CRACK AT LBL 24.92 TO LBL 40.00. FOUND TO BE REPAIRABLE IAW SRM 57-10-10-2R-2 STEP 2(C)(NOTE) AND SRM 51-70-04-2R-10.<BR><BR>CLEANED AND PREPPED IAW SRM 51-70-04-2R-10 STEP 4 A-C. <BR><BR>VERIFIED MATERIAL IAW SRM 51-70-04-2R-0 REPAIR GENERAL TABLE 203 AND SRM 57-10-10-0I-2 TABLE 2 ITEM 4. FABRIC (A24484); RESIN (A120247).<BR><BR>REQUEST OK TO BOND;[02] VERIFIED STEP 1 AND OK TO BOND;[03] BONDED REPAIR IAW SRM 51-70-04-2R-10 STEP 4 D-G. CURED AT 150 DEGREES (AAR 30347 EXP 4-30-23). TAP TEST GOOD.;[04] VERIFIED STEP 3;[05] OK TO PRIME AND TOP COAT L/H 663 VAPOR BARRIER;[06] APPLES PRIMER AND TOPCOAT TO VAPOR BARRIER IAW B737 AMM 51-21-72-370-802; AND 51-21-73-370-804.;[07] ALL WORK C/W<BR>AUDIT C/W

More about the Boeing 737-7H4